{
    "calc-notation": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/at-rules/media.json",
            "name": "calc",
            "slug": "CSS/calc()",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/calc()",
            "summary": "The calc() CSS function lets you perform calculations when specifying CSS property values. It can be used with <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values.",
            "support": {
                "chrome": {
                    "version_added": "66"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "59"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "12"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "caniuse": {
                "feature": "calc",
                "title": "calc() as CSS unit value"
            },
            "title": "calc()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/clamp.json",
            "name": "clamp",
            "slug": "CSS/clamp",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/clamp",
            "summary": "The clamp() CSS function clamps a middle value within a range of values between a defined minimum bound and a maximum bound. The function takes three parameters: a minimum value, a preferred value, and a maximum allowed value.",
            "support": {
                "chrome": {
                    "version_added": "79"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "75"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "13.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "caniuse": {
                "feature": "calc",
                "title": "calc() as CSS unit value"
            },
            "title": "clamp()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/max.json",
            "name": "max",
            "slug": "CSS/max",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/max",
            "summary": "The max() CSS function lets you set the largest (most positive) value from a list of comma-separated expressions as the value of a CSS property value. The max() function can be used anywhere a <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> is allowed.",
            "support": {
                "chrome": {
                    "version_added": "79"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "75"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "11.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "caniuse": {
                "feature": "calc",
                "title": "calc() as CSS unit value"
            },
            "title": "max()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/min.json",
            "name": "min",
            "slug": "CSS/min",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/min",
            "summary": "The min() CSS function lets you set the smallest (most negative) value from a list of comma-separated expressions as the value of a CSS property value. The min() function can be used anywhere a <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> is allowed.",
            "support": {
                "chrome": {
                    "version_added": "79"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "75"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "11.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "caniuse": {
                "feature": "calc",
                "title": "calc() as CSS unit value"
            },
            "title": "min()"
        }
    ],
    "urls": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/properties/content.json",
            "name": "url",
            "slug": "CSS/url()",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/url()",
            "summary": "The url() CSS function is used to include a file. The parameter is an absolute URL, a relative URL, a blob URL, or a data URL. The url() function can be passed as a parameter of another CSS functions, like the attr() function. Depending on the property for which it is a value, the resource sought can be an image, font, or a stylesheet. The url() functional notation is the value for the <url> data type.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "8"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "7"
                },
                "opera_android": "mirror",
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "url()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/url.json",
            "name": "url",
            "slug": "CSS/url",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/url",
            "summary": "The url() CSS function is used to include a file. The parameter is an absolute URL, a relative URL, a blob URL, or a data URL. The url() function can be passed as a parameter of another CSS functions, like the attr() function. Depending on the property for which it is a value, the resource sought can be an image, font, or a stylesheet. The url() functional notation is the value for the <url> data type.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "3"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": "mirror",
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "url()"
        }
    ],
    "lengths": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/properties/tab-size.json",
            "name": "length",
            "slug": "CSS/length",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/length",
            "summary": "The <length> CSS data type represents a distance value. Lengths can be used in numerous CSS properties, such as width, height, margin, padding, border-width, font-size, and text-shadow.",
            "support": {
                "chrome": {
                    "version_added": "42"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "53"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "13.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "56"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<length>"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/length.json",
            "name": "length",
            "slug": "CSS/length",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/length",
            "summary": "The <length> CSS data type represents a distance value. Lengths can be used in numerous CSS properties, such as width, height, margin, padding, border-width, font-size, and text-shadow.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "3"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<length>"
        }
    ],
    "sign-funcs": [
        {
            "engines": [
                "webkit"
            ],
            "filename": "css/types/abs.json",
            "name": "abs",
            "slug": "CSS/abs",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/abs",
            "summary": "The abs() CSS function returns the absolute value of the argument, as the same type as the input.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "abs()"
        },
        {
            "engines": [
                "webkit"
            ],
            "filename": "css/types/sign.json",
            "name": "sign",
            "slug": "CSS/sign()",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/sign()",
            "summary": "The sign() CSS function contains one calculation, and returns -1 if the numeric value of the argument is negative, +1 if the numeric value of the argument is positive, 0⁺ if the numeric value of the argument is 0⁺, and 0⁻ if the numeric value of the argument is 0⁻.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "sign()"
        }
    ],
    "trig-funcs": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/acos.json",
            "name": "acos",
            "slug": "CSS/acos",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/acos",
            "summary": "The acos() CSS function is a trigonometric function that returns the inverse cosine of a number between -1 and 1. The function contains a single calculation that returns the number of radians representing an <angle> between 0deg and 180deg.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "acos()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/asin.json",
            "name": "asin",
            "slug": "CSS/asin",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/asin",
            "summary": "The asin() CSS function is a trigonometric function that returns the inverse sine of a number between -1 and 1. The function contains a single calculation that returns the number of radians representing an <angle> between -90deg and 90deg.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "asin()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/atan.json",
            "name": "atan",
            "slug": "CSS/atan",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/atan",
            "summary": "The atan() CSS function is a trigonometric function that returns the inverse tangent of a number between -∞ and +∞. The function contains a single calculation that returns the number of radians representing an <angle> between -90deg and 90deg.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "atan()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/atan2.json",
            "name": "atan2",
            "slug": "CSS/atan2",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/atan2",
            "summary": "The atan2() CSS function is a trigonometric function that returns the inverse tangent of two values between -infinity and infinity. The function accepts two arguments and returns the number of radians representing an <angle> between -180deg and 180deg.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "atan2()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/cos.json",
            "name": "cos",
            "slug": "CSS/cos",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/cos",
            "summary": "The cos() CSS function is a trigonometric function that returns the cosine of a number, which is a value between -1 and 1. The function contains a single calculation that must resolve to either a <number> or an <angle> by interpreting the result of the argument as radians. That is, cos(45deg), cos(0.125turn), and cos(3.14159 / 4) all represent the same value, approximately 0.707.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "cos()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/sin.json",
            "name": "sin",
            "slug": "CSS/sin",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/sin",
            "summary": "The sin() CSS function is a trigonometric function that returns the sine of a number, which is a value between -1 and 1. The function contains a single calculation that must resolve to either a <number> or an <angle> by interpreting the result of the argument as radians. That is, sin(45deg), sin(0.125turn), and sin(3.14159 / 4) all represent the same value, approximately 0.707.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "sin()"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/tan.json",
            "name": "tan",
            "slug": "CSS/tan",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/tan",
            "summary": "The tan() CSS function is a trigonometric function that returns the tangent of a number, which is a value between −infinity and infinity. The function contains a single calculation that must resolve to either a <number> or an <angle> by interpreting the result of the argument as radians.",
            "support": {
                "chrome": {
                    "version_added": "111"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "111"
                }
            },
            "title": "tan()"
        }
    ],
    "mixed-percentages": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/angle-percentage.json",
            "name": "angle-percentage",
            "slug": "CSS/angle-percentage",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/angle-percentage",
            "summary": "The <angle-percentage> CSS data type represents a value that can be either a <angle> or a <percentage>.",
            "support": {
                "chrome": {
                    "version_added": "2"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "3.6"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "9"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "2"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<angle-percentage>"
        },
        {
            "engines": [],
            "filename": "css/types/frequency-percentage.json",
            "name": "frequency-percentage",
            "slug": "CSS/frequency-percentage",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/frequency-percentage",
            "summary": "The <frequency-percentage> CSS data type represents a value that can be either a <frequency> or a <percentage>. Frequency values, e.g. the pitch of a speaking voice, are not currently used in any CSS properties.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false,
                    "notes": "See <a href='https://bugzil.la/741643'>bug 741643</a>."
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "<frequency-percentage>"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/length-percentage.json",
            "name": "length-percentage",
            "slug": "CSS/length-percentage",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/length-percentage",
            "summary": "The <length-percentage> CSS data type represents a value that can be either a <length> or a <percentage>.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "3"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<length-percentage>"
        },
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/time-percentage.json",
            "name": "time-percentage",
            "slug": "CSS/time-percentage",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/time-percentage",
            "summary": "The <time-percentage> CSS data type represents a value that can be either a <time> or a <percentage>.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "4"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "9"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "10.1"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "3.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "2"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<time-percentage>"
        }
    ],
    "angles": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/angle.json",
            "name": "angle",
            "slug": "CSS/angle",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/angle",
            "summary": "The <angle> CSS data type represents an angle value expressed in degrees, gradians, radians, or turns. It is used, for example, in <gradient>s and in some transform functions.",
            "support": {
                "chrome": {
                    "version_added": "2"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "3.6"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "9"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "2"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<angle>"
        }
    ],
    "calc-constants": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/calc-constant.json",
            "name": "calc-constant",
            "slug": "CSS/calc-constant",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/calc-constant",
            "summary": "The <calc-constant> CSS data type represents well-defined constants such as e and pi. Rather than require authors to manually type out several digits of these mathematical constants or calculate them, a few of them are provided directly by CSS for convenience.",
            "support": {
                "chrome": {
                    "version_added": "99"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "108"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "99"
                }
            },
            "title": "<calc-constant>"
        }
    ],
    "calc-func": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/calc.json",
            "name": "calc",
            "slug": "CSS/calc",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/calc",
            "summary": "The calc() CSS function lets you perform calculations when specifying CSS property values. It can be used with <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values.",
            "support": {
                "chrome": [
                    {
                        "version_added": "26"
                    },
                    {
                        "prefix": "-webkit-",
                        "version_added": "19"
                    }
                ],
                "chrome_android": {
                    "version_added": "28"
                },
                "edge": {
                    "version_added": "12"
                },
                "firefox": [
                    {
                        "version_added": "16",
                        "notes": [
                            "Before Firefox 59 <code>calc()</code> is not supported in <code>rgb()</code> and other color functions.",
                            "Before Firefox 57 <code>calc(1*2*3)</code> is not parsed successfully.",
                            "Firefox 57 increased the number of places <code>calc()</code> could substitute another value. See <a href='https://bugzil.la/1350857'>bug 1350857</a>."
                        ]
                    },
                    {
                        "prefix": "-moz-",
                        "version_added": "4",
                        "version_removed": "53"
                    }
                ],
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "9"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "15"
                },
                "opera_android": {
                    "version_added": "14"
                },
                "safari": [
                    {
                        "version_added": "7"
                    },
                    {
                        "prefix": "-webkit-",
                        "version_added": "6"
                    }
                ],
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": [
                    {
                        "version_added": "37"
                    },
                    {
                        "prefix": "-webkit-",
                        "version_added": "37"
                    }
                ],
                "edge_blink": [
                    {
                        "version_added": "79"
                    },
                    {
                        "prefix": "-webkit-",
                        "version_added": "79"
                    }
                ]
            },
            "title": "calc()"
        }
    ],
    "dimensions": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/dimension.json",
            "name": "dimension",
            "slug": "CSS/dimension",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/dimension",
            "summary": "The <dimension> CSS data type represents a <number> with a unit attached to it, for example 10px.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "5"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<dimension>"
        }
    ],
    "exponent-funcs": [
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "filename": "css/types/exp.json",
            "name": "exp",
            "slug": "CSS/exp",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/exp",
            "summary": "The exp() CSS function is an exponential function that takes an number as an argument and returns the mathematical constant e raised to the power of the given number.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "112"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "exp()"
        },
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "filename": "css/types/hypot.json",
            "name": "hypot",
            "slug": "CSS/hypot",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/hypot",
            "summary": "The hypot() CSS function is an exponential function that returns the square root of the sum of squares of its parameters.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "112"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "hypot()"
        },
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "filename": "css/types/log.json",
            "name": "log",
            "slug": "CSS/log",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/log",
            "summary": "The log() CSS function is an exponential function that returns the logarithm of a number.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "112"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "log()"
        },
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "filename": "css/types/pow.json",
            "name": "pow",
            "slug": "CSS/pow",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/pow",
            "summary": "The pow() CSS function is an exponential function that returns the value of a base raised to the power of a number.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "112"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "pow()"
        },
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "filename": "css/types/sqrt.json",
            "name": "sqrt",
            "slug": "CSS/sqrt",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/sqrt",
            "summary": "The sqrt() CSS function is an exponential function that returns the square root of a number.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "112"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "sqrt()"
        }
    ],
    "frequency": [
        {
            "engines": [],
            "filename": "css/types/frequency.json",
            "name": "frequency",
            "slug": "CSS/frequency",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/frequency",
            "summary": "The <frequency> CSS data type represents a frequency dimension, such as the pitch of a speaking voice. It is not currently used in any CSS properties.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false,
                    "notes": "See <a href='https://bugzil.la/741643'>bug 741643</a>."
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "<frequency>"
        }
    ],
    "integers": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/integer.json",
            "name": "integer",
            "slug": "CSS/integer",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/integer",
            "summary": "The <integer> CSS data type is a special type of <number> that represents a whole number, whether positive or negative. Integers can be used in numerous CSS properties, such as column-count, counter-increment, grid-column, grid-row, and z-index.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "3"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<integer>"
        }
    ],
    "funcdef-mod": [
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "needsflag": [
                "gecko"
            ],
            "filename": "css/types/mod.json",
            "name": "mod",
            "slug": "CSS/mod",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/mod",
            "summary": "The mod() CSS function returns a modulus left over when the first parameter is divided by the second parameter, similar to the JavaScript remainder operator (%). The modulus is the value left over when one operand, the dividend, is divided by a second operand, the divisor. It always takes the sign of the divisor.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "109",
                    "flags": [
                        {
                            "type": "preference",
                            "name": "layout.css.mod-rem.enabled",
                            "value_to_set": "true"
                        }
                    ]
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "mod()"
        }
    ],
    "numbers": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/number.json",
            "name": "number",
            "slug": "CSS/number",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/number",
            "summary": "The <number> CSS data type represents a number, being either an integer or a number with a fractional component.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "5"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "2"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<number>"
        }
    ],
    "percentages": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/percentage.json",
            "name": "percentage",
            "slug": "CSS/percentage",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/percentage",
            "summary": "The <percentage> CSS data type represents a percentage value. It is often used to define a size as relative to an element's parent object. Numerous properties can use percentages, such as width, height, margin, padding, and font-size.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "3"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<percentage>"
        }
    ],
    "position": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/position.json",
            "name": "position",
            "slug": "CSS/position_value",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/position_value",
            "summary": "The <position> (or <bg-position>) CSS data type denotes a two-dimensional coordinate used to set a location relative to an element box. It is used in the background-position and offset-anchor properties.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "4"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": "mirror",
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<position>"
        }
    ],
    "funcdef-rem": [
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "needsflag": [
                "gecko"
            ],
            "filename": "css/types/rem.json",
            "name": "rem",
            "slug": "CSS/rem",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/rem",
            "summary": "The rem() CSS function returns a remainder left over when the first parameter is divided by the second parameter, similar to the JavaScript remainder operator (%). The remainder is the value left over when one operand, the dividend, is divided by a second operand, the divisor. It always takes the sign of the dividend.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": "109",
                    "flags": [
                        {
                            "type": "preference",
                            "name": "layout.css.mod-rem.enabled",
                            "value_to_set": "true"
                        }
                    ]
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "rem()"
        }
    ],
    "resolution": [
        {
            "engines": [
                "blink",
                "gecko"
            ],
            "filename": "css/types/resolution.json",
            "name": "resolution",
            "slug": "CSS/resolution",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/resolution",
            "summary": "The <resolution> CSS data type, used for describing resolutions in media queries, denotes the pixel density of an output device, i.e., its resolution.",
            "support": {
                "chrome": {
                    "version_added": "29"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": [
                    {
                        "version_added": "8"
                    },
                    {
                        "partial_implementation": true,
                        "version_added": "3.5",
                        "notes": "Supports <a href='https://developer.mozilla.org/docs/Web/CSS/integer'><code>&lt;integer&gt;</code></a> values only."
                    }
                ],
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "9"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "9.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": false,
                    "notes": "See <a href='https://webkit.org/b/78087'>bug 78087</a>."
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<resolution>"
        }
    ],
    "funcdef-round": [
        {
            "engines": [
                "gecko",
                "webkit"
            ],
            "filename": "css/types/round.json",
            "name": "round",
            "slug": "CSS/round",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/round",
            "summary": "The round() CSS function returns a rounded number based on a selected rounding strategy.",
            "support": {
                "chrome": {
                    "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": [
                    {
                        "version_added": "preview"
                    },
                    {
                        "version_added": "108",
                        "flags": [
                            {
                                "type": "preference",
                                "name": "layout.css.round.enabled",
                                "value_to_set": "true"
                            }
                        ]
                    }
                ],
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15.4"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": false
                }
            },
            "title": "round()"
        }
    ],
    "strings": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/string.json",
            "name": "string",
            "slug": "CSS/string",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/string",
            "summary": "The <string> CSS data type represents a sequence of characters. Strings are used in numerous CSS properties, such as content, font-family, and quotes.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "1"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "3"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "3.5"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "37"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<string>"
        }
    ],
    "time": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "css/types/time.json",
            "name": "time",
            "slug": "CSS/time",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/CSS/time",
            "summary": "The <time> CSS data type represents a time value expressed in seconds or milliseconds. It is used in animation, transition, and related properties.",
            "support": {
                "chrome": {
                    "version_added": "1"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "4"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "9"
                },
                "oculus": "mirror",
                "opera": {
                    "version_added": "10.1"
                },
                "opera_android": {
                    "version_added": "10.1"
                },
                "safari": {
                    "version_added": "3.1"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": {
                    "version_added": "2"
                },
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "<time>"
        }
    ]
}