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[ { "id": "all-property", "title": "`all` Property", "description": "A property for defining the reset of all properties of an element", "specification": "https://www.w3.org/TR/css-cascade-3/#all-shorthand", "stage": 4, "browser_support": { "and_chr": "37", "and_ff": "27", "android": "37", "chrome": "37", "edge": "79", "firefox": "27", "ios_saf": "9.3", "oculus": "5.0", "op_mob": "24", "opera": "24", "safari": "9.1", "samsung": "3.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/all" }, "example": "a {\n all: initial;\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/maximkoretskiy/postcss-initial" } ], "vendors_implementations": 3 }, { "id": "any-link-pseudo-class", "title": "`:any-link` Hyperlink Pseudo-Class", "description": "A pseudo-class for matching anchor elements independent of whether they have been visited", "specification": "https://www.w3.org/TR/selectors-4/#any-link-pseudo", "stage": 2, "browser_support": { "and_chr": "18", "and_ff": "4", "android": "37", "chrome": "1", "edge": "79", "firefox": "1", "ios_saf": "1", "oculus": "5.0", "op_mob": "14", "opera": "15", "safari": "3", "samsung": "1.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:any-link" }, "example": "nav :any-link > span {\n background-color: yellow;\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-pseudo-class-any-link" } ], "vendors_implementations": 3 }, { "id": "blank-pseudo-class", "title": "`:blank` Empty-Value Pseudo-Class", "description": "A pseudo-class for matching form elements when they are empty", "specification": "https://www.w3.org/TR/selectors-4/#blank", "stage": 2, "browser_support": {}, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:blank" }, "example": "input:blank {\n background-color: yellow;\n}", "polyfills": [ { "type": "JavaScript Library", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/css-blank-pseudo" }, { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/css-blank-pseudo" } ], "vendors_implementations": 0 }, { "id": "break-properties", "title": "Break Properties", "description": "Properties for defining the break behavior between and within boxes", "specification": "https://www.w3.org/TR/css-break-3/#breaking-controls", "stage": 3, "browser_support": { "and_chr": "51", "and_ff": "92", "android": "51", "chrome": "51", "edge": "12", "firefox": "92", "oculus": "5.0", "op_mob": "37", "opera": "11.1", "samsung": "5.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/break-after" }, "example": "a {\n break-inside: avoid;\n break-before: avoid-column;\n break-after: always;\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/shrpne/postcss-page-break" } ], "vendors_implementations": 2 }, { "id": "calc-constants", "title": "`e`, `pi`, `infinity`, `-infinity` and `NaN` constants for calculation", "description": "Constants for calculation simplification", "specification": "https://www.w3.org/TR/css-values-4/#calc-constants", "stage": 2, "browser_support": { "and_ff": "114", "firefox": "114", "ios_saf": "16", "safari": "16" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/calc-constant" }, "example": "p {\n font-size: calc(pow(e, pi) * 1rem);\n}", "vendors_implementations": 2 }, { "id": "cascade-layers", "title": "CSS Cascade Layers", "description": "The `@layer` at-rule allows authors to explicitly layer their styles in the cascade, before specificity and order of appearance are considered.", "specification": "https://www.w3.org/TR/css-cascade-5/#layering", "stage": 2, "browser_support": { "and_chr": "99", "and_ff": "97", "android": "99", "chrome": "99", "edge": "99", "firefox": "97", "ios_saf": "15.4", "oculus": "21.0", "op_mob": "68", "opera": "85", "safari": "15.4", "samsung": "18.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/@layer" }, "example": "/* Un-layered styles have the highest priority */\na {\n color: mediumvioletred;\n}\n\n@layer defaults {\n a { color: maroon; }\n}", "interoperable_at": 1647216000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-cascade-layers" } ], "vendors_implementations": 3 }, { "id": "case-insensitive-attributes", "title": "Case-Insensitive Attributes", "description": "An attribute selector matching attribute values case-insensitively", "specification": "https://www.w3.org/TR/selectors-4/#attribute-case", "stage": 2, "browser_support": { "and_chr": "49", "and_ff": "47", "android": "49", "chrome": "49", "edge": "79", "firefox": "47", "ios_saf": "9", "oculus": "5.0", "op_mob": "36", "opera": "36", "safari": "9", "samsung": "5.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors" }, "example": "[frame=hsides i] {\n border-style: solid none;\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-attribute-case-insensitive" } ], "vendors_implementations": 3 }, { "id": "clamp", "title": "`clamp` Function", "description": "The clamp() CSS function clamps a value between an upper and lower bound. It enables selecting a middle value within a range of values between a defined minimum and maximum.", "specification": "https://www.w3.org/TR/css-values-4/#funcdef-clamp", "stage": 2, "browser_support": { "and_chr": "79", "and_ff": "79", "android": "79", "chrome": "79", "edge": "79", "firefox": "75", "ios_saf": "13.4", "oculus": "8.0", "op_mob": "57", "opera": "66", "safari": "13.1", "samsung": "12.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/clamp" }, "example": "button {\n font-size: clamp(1rem, 2.5vw, 2rem);\n}", "interoperable_at": 1586217600, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/polemius/postcss-clamp" } ], "vendors_implementations": 3 }, { "id": "color-adjust", "title": "`color-adjust` Property", "description": "The color-adjust property is a non-standard CSS extension that can be used to force printing of background colors and images", "specification": "https://www.w3.org/TR/css-color-4/#color-adjust", "stage": 2, "browser_support": { "and_ff": "97", "firefox": "97", "ios_saf": "15.4", "safari": "15.4" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/print-color-adjust" }, "example": ".background {\n background-color:#ccc;\n}\n.background.color-adjust {\n color-adjust: economy;\n}\n.background.color-adjust-exact {\n color-adjust: exact;\n}", "vendors_implementations": 2 }, { "id": "color-contrast", "title": "`color-contrast()` Function", "description": "A function for choosing the color that contrasts the most.", "specification": "https://drafts.csswg.org/css-color-6/#colorcontrast", "stage": 1, "browser_support": {}, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/color-contrast" }, "example": "p {\n color: color-contrast(wheat vs tan, sienna, var(--myAccent), #d2691e);\n}", "polyfills": [], "vendors_implementations": 0 }, { "id": "color-function", "title": "`color()` Function", "description": "A function that allows a color to be specified in a particular, specified color space rather than the implicit sRGB color space that most of the other color functions operate in.", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-color", "stage": 2, "browser_support": { "and_chr": "111", "and_ff": "113", "android": "111", "chrome": "111", "edge": "111", "firefox": "113", "ios_saf": "15", "op_mob": "75", "opera": "97", "safari": "15", "samsung": "22.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/color" }, "example": "p {\n color: color(display-p3 1 0.5 0);\n color: color(display-p3 1 0.5 0 / .5);\n}", "interoperable_at": 1683590400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-color-function" } ], "vendors_implementations": 3 }, { "id": "color-functional-notation", "title": "Color Functional Notation", "description": "A space and slash separated notation for specifying colors", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-rgb", "stage": 2, "browser_support": { "and_chr": "65", "and_ff": "52", "android": "65", "chrome": "65", "edge": "79", "firefox": "52", "ios_saf": "12.2", "oculus": "5.0", "op_mob": "47", "opera": "52", "safari": "12.1", "samsung": "9.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb#syntax" }, "example": "em {\n background-color: hsl(120deg 100% 25%);\n color: rgb(0 255 0);\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-color-functional-notation" } ], "vendors_implementations": 3 }, { "id": "color-mix", "title": "`color-mix()` Function", "description": "A function for mixing colors", "specification": "https://www.w3.org/TR/css-color-5/#color-mix", "stage": 2, "browser_support": { "and_chr": "111", "and_ff": "113", "android": "111", "chrome": "111", "edge": "111", "firefox": "113", "ios_saf": "16.2", "op_mob": "75", "opera": "97", "safari": "16.2", "samsung": "22.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/color-mix" }, "example": "p {\n color: color-mix(in lch, purple 50%, plum 50%);\n}", "interoperable_at": 1683590400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-color-mix-function" } ], "vendors_implementations": 3 }, { "id": "color-mod-function", "title": "`color-mod()` Function", "description": "A function for modifying colors", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-color-mod", "stage": -1, "browser_support": {}, "example": "p {\n color: color-mod(black alpha(50%));\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-color-mod-function" } ], "vendors_implementations": 0 }, { "id": "container-queries", "title": "Container Queries", "description": "New container property and container at rule to make changes depending on the container's size", "specification": "https://www.w3.org/TR/css-contain-3/#container-queries", "stage": 2, "browser_support": { "and_chr": "105", "and_ff": "110", "android": "105", "chrome": "105", "edge": "105", "firefox": "110", "ios_saf": "16", "op_mob": "72", "opera": "91", "safari": "16", "samsung": "20.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Container_Queries" }, "example": ".container {\n contain: layout inline-size;\n}\n\n@container (min-width: 700px) {\n .container {\n /* styles applied when a container is at least 700px */\n }\n}", "interoperable_at": 1676332800, "polyfills": [ { "type": "JavaScript Library", "link": "https://www.npmjs.com/package/container-query-polyfill" } ], "vendors_implementations": 3 }, { "id": "custom-media-queries", "title": "Custom Media Queries", "description": "An at-rule for defining aliases that represent media queries", "specification": "https://www.w3.org/TR/mediaqueries-5/#at-ruledef-custom-media", "stage": 2, "browser_support": {}, "example": "@custom-media --narrow-window (max-width: 30em);\n\n@media (--narrow-window) {}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-custom-media" } ], "vendors_implementations": 0 }, { "id": "custom-properties", "title": "Custom Properties", "description": "A syntax for defining custom values accepted by all CSS properties", "specification": "https://www.w3.org/TR/css-variables-1/", "stage": 3, "browser_support": { "and_chr": "49", "and_ff": "31", "android": "50", "chrome": "49", "edge": "15", "firefox": "31", "ios_saf": "9.3", "oculus": "5.0", "op_mob": "36", "opera": "36", "safari": "9.1", "samsung": "5.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/var" }, "example": ":root {\n --some-length: 32px;\n\n height: var(--some-length);\n width: var(--some-length);\n}", "interoperable_at": 1491350400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-custom-properties" } ], "vendors_implementations": 3 }, { "id": "custom-property-sets", "title": "Custom Property Sets", "description": "A syntax for storing properties in named variables, referenceable in other style rules", "specification": "https://tabatkins.github.io/specs/css-apply-rule/", "stage": -1, "browser_support": {}, "example": "img {\n --some-length-styles: {\n height: 32px;\n width: 32px;\n };\n\n @apply --some-length-styles;\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/pascalduez/postcss-apply" } ], "vendors_implementations": 0 }, { "id": "custom-selectors", "title": "Custom Selectors", "description": "An at-rule for defining aliases that represent selectors", "specification": "https://drafts.csswg.org/css-extensions/#custom-selectors", "stage": 1, "browser_support": {}, "example": "@custom-selector :--heading h1, h2, h3, h4, h5, h6;\n\narticle :--heading + p {}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-custom-selectors" } ], "vendors_implementations": 0 }, { "id": "dir-pseudo-class", "title": "`:dir` Directionality Pseudo-Class", "description": "A pseudo-class for matching elements based on their directionality", "specification": "https://www.w3.org/TR/selectors-4/#dir-pseudo", "stage": 2, "browser_support": { "and_chr": "120", "and_ff": "49", "android": "120", "chrome": "120", "edge": "120", "firefox": "49", "ios_saf": "16.4", "op_mob": "80", "opera": "106", "safari": "16.4" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:dir" }, "example": "blockquote:dir(rtl) {\n margin-right: 10px;\n}\n\nblockquote:dir(ltr) {\n margin-left: 10px;\n}", "interoperable_at": 1701907200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-dir-pseudo-class" } ], "vendors_implementations": 3 }, { "id": "display-two-values", "title": "Two values syntax for `display`", "description": "Syntax that allows definition of outer and inner displays types for an element", "specification": "https://www.w3.org/TR/css-display-3/#the-display-properties", "stage": 2, "browser_support": { "and_chr": "115", "and_ff": "79", "android": "115", "chrome": "115", "edge": "115", "firefox": "70", "ios_saf": "15", "op_mob": "77", "opera": "101", "safari": "15", "samsung": "23.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/display/multi-keyword_syntax_of_display" }, "example": ".element {\n display: inline flow-root;\n display: inline flex;\n display: block grid;\n}", "interoperable_at": 1689897600, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-normalize-display-values" } ], "vendors_implementations": 3 }, { "id": "double-position-gradients", "title": "Double Position Gradients", "description": "A syntax for using two positions in a gradient.", "specification": "https://www.w3.org/TR/css-images-4/#color-stop-syntax", "stage": 2, "browser_support": { "and_chr": "72", "and_ff": "83", "android": "72", "chrome": "72", "edge": "79", "firefox": "83", "ios_saf": "12.2", "oculus": "6.0", "op_mob": "51", "opera": "60", "safari": "12.1", "samsung": "11.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/gradient/linear-gradient" }, "example": ".pie_chart {\n background-image: conic-gradient(yellowgreen 40%, gold 0deg 75%, #f06 0deg);\n}", "interoperable_at": 1605571200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-double-position-gradients" } ], "vendors_implementations": 3 }, { "id": "environment-variables", "title": "Custom Environment Variables", "description": "A syntax for using custom values accepted by CSS globally", "specification": "https://drafts.csswg.org/css-env-1/", "stage": 0, "browser_support": {}, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/env" }, "example": "@media (max-width: env(--brand-small)) {\n body {\n padding: env(--brand-spacing);\n }\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-env-function" } ], "vendors_implementations": 0 }, { "id": "exponential-functions", "title": "`pow()`, `sqrt()`, `hypot()`, `log()`, `exp()` exponential functions", "description": "Compute various exponential functions with their arguments", "specification": "https://www.w3.org/TR/css-values-4/#exponent-funcs", "stage": 2, "browser_support": { "and_chr": "120", "and_ff": "118", "android": "120", "chrome": "120", "edge": "120", "firefox": "118", "ios_saf": "15.4", "op_mob": "80", "opera": "106", "safari": "15.4" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/exp" }, "example": "p {\n font-size: calc(pow(10, 12) * 1rem);\n font-size: calc(sqrt(100) * 1rem);\n font-size: calc(hypot(3, 4) * 1rem);\n font-size: calc(log(10) * 1rem);\n font-size: calc(exp(10) * 1rem);\n}", "interoperable_at": 1701907200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-exponential-functions" } ], "vendors_implementations": 3 }, { "id": "fangsong-font-family", "title": "`fangsong` Font Family", "description": "A generic font used for Fang Song (仿宋) typefaces in Chinese", "specification": "https://www.w3.org/TR/css-fonts-4/#fangsong-def", "stage": 2, "browser_support": {}, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/font-family#Syntax" }, "example": "body {\n font-family: fangsong;\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/JLHwung/postcss-font-family-fangsong" } ], "vendors_implementations": 0 }, { "id": "float-clear-logical-values", "title": "Logical Values in float and clear", "description": "Flow-relative (inline-start and inline-end) values for float and clear", "specification": "https://www.w3.org/TR/css-logical-1/", "stage": 2, "browser_support": { "and_chr": "118", "and_ff": "55", "android": "118", "chrome": "118", "edge": "118", "firefox": "55", "ios_saf": "15", "op_mob": "79", "opera": "104", "safari": "15" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/float" }, "example": "span:first-child {\n float: inline-start;\n}", "interoperable_at": 1697155200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical-float-and-clear" } ], "vendors_implementations": 3 }, { "id": "focus-visible-pseudo-class", "title": "`:focus-visible` Focus-Indicated Pseudo-Class", "description": "A pseudo-class for matching focused elements that indicate that focus to a user", "specification": "https://www.w3.org/TR/selectors-4/#focus-visible-pseudo", "stage": 2, "browser_support": { "and_chr": "86", "and_ff": "85", "android": "86", "chrome": "86", "edge": "86", "firefox": "85", "ios_saf": "15.4", "oculus": "12.0", "op_mob": "61", "opera": "72", "safari": "15.4", "samsung": "14.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible" }, "example": ":focus:not(:focus-visible) {\n outline: 0;\n}", "interoperable_at": 1647216000, "polyfills": [ { "type": "JavaScript Library", "link": "https://github.com/WICG/focus-visible" }, { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-focus-visible" } ], "vendors_implementations": 3 }, { "id": "focus-within-pseudo-class", "title": "`:focus-within` Focus Container Pseudo-Class", "description": "A pseudo-class for matching elements that are either focused or that have focused descendants", "specification": "https://www.w3.org/TR/selectors-4/#focus-within-pseudo", "stage": 2, "browser_support": { "and_chr": "60", "and_ff": "52", "android": "60", "chrome": "60", "edge": "79", "firefox": "52", "ios_saf": "10.3", "oculus": "5.0", "op_mob": "44", "opera": "47", "safari": "10.1", "samsung": "8.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-within" }, "example": "form:focus-within {\n background: rgb(0 128 0);\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "JavaScript Library", "link": "https://github.com/jsxtools/focus-within" }, { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-focus-within" } ], "vendors_implementations": 3 }, { "id": "font-format-keywords", "title": "Font `format()` Keywords", "description": "A syntax for specifying font format as a keyword in `@font-face` rule’s `format()` function", "specification": "https://www.w3.org/TR/css-fonts-4/#font-format-values", "stage": 2, "browser_support": { "and_chr": "108", "android": "108", "chrome": "108", "edge": "108", "ios_saf": "5", "op_mob": "73", "opera": "94", "safari": "4", "samsung": "21.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face" }, "example": "@font-face {\n src: url(file.woff2) format(woff2);\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/valtlai/postcss-font-format-keywords" } ], "vendors_implementations": 2 }, { "id": "font-variant-property", "title": "`font-variant` Property", "description": "A property for defining the usage of alternate glyphs in a font", "specification": "https://www.w3.org/TR/css-fonts-3/#propdef-font-variant", "stage": 4, "browser_support": { "and_chr": "117", "and_ff": "34", "android": "117", "chrome": "117", "edge": "117", "firefox": "34", "ios_saf": "9.3", "op_mob": "78", "opera": "103", "safari": "9.1" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/font-variant" }, "example": "h2 {\n font-variant: small-caps;\n}", "interoperable_at": 1694736000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/postcss/postcss-font-variant" } ], "vendors_implementations": 3 }, { "id": "gamut-mapping", "title": "Gamut mapping for CSS color functions", "description": "Gamut map css colors to fit display specific gamuts.", "specification": "https://www.w3.org/TR/css-color-4/#gamut-mapping", "stage": 2, "browser_support": {}, "example": "@media (color-gamut: rec2020) {\n\tp {\n\t\tcolor: oklch(40% 0.234 0.39 / 0.5);\n\t}\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-gamut-mapping" } ], "vendors_implementations": 0 }, { "id": "gap-properties", "title": "Gap Properties", "description": "Properties for defining gutters within a layout", "specification": "https://www.w3.org/TR/css-grid-1/#gutters", "stage": 3, "browser_support": { "and_chr": "66", "and_ff": "61", "android": "66", "chrome": "66", "edge": "16", "firefox": "61", "ios_saf": "12", "oculus": "5.0", "op_mob": "47", "opera": "53", "safari": "12", "samsung": "9.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/gap" }, "example": ".grid-1 {\n gap: 20px;\n}\n\n.grid-2 {\n column-gap: 40px;\n row-gap: 20px;\n}", "interoperable_at": 1537142400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-gap-properties" } ], "vendors_implementations": 3 }, { "id": "gradients-interpolation-method", "title": "Gradients Interpolation Method", "description": "Define the interpolation method for gradients", "specification": "https://www.w3.org/TR/css-images-4/#color-interpolation", "stage": 2, "browser_support": { "and_chr": "111", "android": "111", "chrome": "111", "edge": "111", "ios_saf": "16.2", "op_mob": "75", "opera": "97", "safari": "16.2", "samsung": "22.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/gradient/linear-gradient#syntax" }, "example": ".pie_chart {\n background-image: conic-gradient(in oklch, yellowgreen 40%, gold 0deg 75%, #f06 0deg);\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-gradients-interpolation-method" } ], "vendors_implementations": 2 }, { "id": "gray-function", "title": "`gray()` Function", "description": "A function for specifying fully desaturated colors", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-gray", "stage": -1, "browser_support": {}, "example": "p {\n color: gray(50);\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/postcss/postcss-color-gray" } ], "vendors_implementations": 0 }, { "id": "grid-layout", "title": "Grid Layout", "description": "A syntax for using a grid concept to lay out content", "specification": "https://www.w3.org/TR/css-grid-1/", "stage": 3, "browser_support": { "and_chr": "57", "and_ff": "52", "android": "57", "chrome": "57", "edge": "16", "firefox": "52", "ios_saf": "10.3", "oculus": "5.0", "op_mob": "43", "opera": "44", "safari": "10.1", "samsung": "6.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/grid" }, "example": "section {\n display: grid;\n grid-template-columns: 100px 100px 100px;\n grid-gap: 10px;\n}", "interoperable_at": 1508198400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/postcss/autoprefixer" } ], "vendors_implementations": 3 }, { "id": "has-pseudo-class", "title": "`:has()` Relational Pseudo-Class", "description": "A pseudo-class for matching ancestor and sibling elements", "specification": "https://www.w3.org/TR/selectors-4/#has-pseudo", "stage": 2, "browser_support": { "and_chr": "105", "and_ff": "121", "android": "105", "chrome": "105", "edge": "105", "firefox": "121", "ios_saf": "15.4", "op_mob": "72", "opera": "91", "safari": "15.4", "samsung": "20.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:has" }, "example": "a:has(> img) {\n display: block;\n}", "interoperable_at": 1702944000, "polyfills": [ { "type": "JavaScript Library", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/css-has-pseudo" }, { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/css-has-pseudo" } ], "vendors_implementations": 3 }, { "id": "hexadecimal-alpha-notation", "title": "Hexadecimal Alpha Notation", "description": "A 4 & 8 character hex color notation for specifying the opacity level", "specification": "https://www.w3.org/TR/css-color-4/#hex-notation", "stage": 2, "browser_support": { "and_chr": "62", "and_ff": "49", "android": "62", "chrome": "62", "edge": "79", "firefox": "49", "ios_saf": "9.3", "oculus": "5.0", "op_mob": "47", "opera": "49", "safari": "10", "samsung": "8.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#Syntax_2" }, "example": "section {\n background-color: #f3f3f3f3;\n color: #0003;\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-color-hex-alpha" } ], "vendors_implementations": 3 }, { "id": "hwb-function", "title": "`hwb()` Function", "description": "A function for specifying colors by hue and then a degree of whiteness and blackness to mix into it", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-hwb", "stage": 2, "browser_support": { "and_chr": "101", "and_ff": "96", "android": "101", "chrome": "101", "edge": "101", "firefox": "96", "ios_saf": "15", "oculus": "22.0", "op_mob": "70", "opera": "87", "safari": "15", "samsung": "19.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hwb" }, "example": "p {\n color: hwb(120 44% 50%);\n}", "interoperable_at": 1651190400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-hwb-function" } ], "vendors_implementations": 3 }, { "id": "ic-unit", "title": "`ic` length unit", "description": "Equal to the used advance measure of the \"水\" (CJK water ideograph, U+6C34) glyph found in the font used to render it", "specification": "https://www.w3.org/TR/css-values-4/#ic", "stage": 2, "browser_support": { "and_chr": "106", "and_ff": "97", "android": "106", "chrome": "106", "edge": "106", "firefox": "97", "ios_saf": "15.4", "op_mob": "72", "opera": "92", "safari": "15.4", "samsung": "20.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Values_and_Units#dimensions" }, "example": "p {\n text-indent: 2ic;\n}", "interoperable_at": 1664755200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-ic-unit" } ], "vendors_implementations": 3 }, { "id": "image-set-function", "title": "`image-set()` Function", "description": "A function for specifying image sources based on the user’s resolution", "specification": "https://www.w3.org/TR/css-images-4/#image-set-notation", "stage": 2, "browser_support": { "and_chr": "25", "and_ff": "88", "android": "4.4", "chrome": "21", "edge": "79", "firefox": "88", "ios_saf": "14", "oculus": "5.0", "op_mob": "14", "opera": "15", "safari": "14", "samsung": "1.5" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/image/image-set" }, "example": "p {\n background-image: image-set(\n \"foo.png\" 1x,\n \"foo-2x.png\" 2x,\n \"foo-print.png\" 600dpi\n );\n}", "interoperable_at": 1618790400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-image-set-function" } ], "vendors_implementations": 3 }, { "id": "in-out-of-range-pseudo-class", "title": "`:in-range` and `:out-of-range` Pseudo-Classes", "description": "A pseudo-class for matching elements that have range limitations", "specification": "https://www.w3.org/TR/selectors-4/#range-pseudos", "stage": 2, "browser_support": { "and_chr": "18", "and_ff": "16", "android": "2.2", "chrome": "10", "edge": "13", "firefox": "29", "ios_saf": "5", "oculus": "5.0", "op_mob": "11", "opera": "11", "safari": "5.1", "samsung": "1.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:in-range" }, "example": "input:in-range {\n background-color: rgb(0 255 0 / 0.25);\n}\ninput:out-of-range {\n background-color: rgb(255 0 0 / 0.25);\n border: 2px solid red;\n}", "interoperable_at": 1447286400, "vendors_implementations": 3 }, { "id": "is-pseudo-class", "title": "`:is()` Matches-Any Pseudo-Class", "description": "A pseudo-class for matching elements in a selector list", "specification": "https://www.w3.org/TR/selectors-4/#matches-pseudo", "stage": 2, "browser_support": { "and_chr": "88", "and_ff": "82", "android": "88", "chrome": "88", "edge": "88", "firefox": "82", "ios_saf": "14", "oculus": "14.0", "op_mob": "63", "opera": "74", "safari": "14", "samsung": "15.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:is" }, "example": "p:is(:first-child, .special) {\n margin-top: 1em;\n}", "interoperable_at": 1611187200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-is-pseudo-class" } ], "vendors_implementations": 3 }, { "id": "lab-function", "title": "`lab()` Function", "description": "A function for specifying colors expressed in the CIE Lab color space", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-lab", "stage": 2, "browser_support": { "and_chr": "116", "and_ff": "113", "android": "116", "chrome": "116", "edge": "116", "firefox": "113", "ios_saf": "16.2", "op_mob": "78", "opera": "102", "safari": "16.2" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/lab" }, "example": "body {\n color: lab(80% 50 20);\n}", "interoperable_at": 1692576000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-lab-function" } ], "vendors_implementations": 3 }, { "id": "lch-function", "title": "`lch()` Function", "description": "A function for specifying colors expressed in the CIE Lab color space with chroma and hue", "specification": "https://www.w3.org/TR/css-color-4/#funcdef-lch", "stage": 2, "browser_support": { "and_chr": "116", "and_ff": "113", "android": "116", "chrome": "116", "edge": "116", "firefox": "113", "ios_saf": "16.2", "op_mob": "78", "opera": "102", "safari": "16.2" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/lch" }, "example": "body {\n color: lch(53% 105 40);\n}", "interoperable_at": 1692576000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-lab-function" } ], "vendors_implementations": 3 }, { "id": "light-dark-function", "title": "`light-dark()` Function", "description": "React to the current used `color-scheme` value", "specification": "https://drafts.csswg.org/css-color-5/#light-dark", "stage": 2, "browser_support": { "and_chr": "123", "and_ff": "120", "android": "123", "chrome": "123", "firefox": "120" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/light-dark" }, "example": "body {\n color: light-dark(cyan, magenta);\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-light-dark-function" } ], "vendors_implementations": 2 }, { "id": "logical-overflow", "title": "Logical Overflow", "description": "Flow-relative `overflow` properties", "specification": "https://www.w3.org/TR/css-overflow-3/#overflow-control", "stage": 2, "browser_support": { "and_ff": "79", "firefox": "69" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-block" }, "example": "div {\n overflow-block: scroll;\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical-overflow" } ], "vendors_implementations": 1 }, { "id": "logical-overscroll-behavior", "title": "Logical Overscroll Behavior", "description": "Flow-relative `overscroll-behavior` properties", "specification": "https://www.w3.org/TR/css-overscroll-1/#overscroll-behavior-longhands-logical", "stage": 2, "browser_support": { "and_chr": "77", "and_ff": "79", "android": "77", "chrome": "77", "edge": "79", "firefox": "73", "ios_saf": "16", "oculus": "7.0", "op_mob": "55", "opera": "64", "safari": "16", "samsung": "12.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/overscroll-behavior-block" }, "example": "div {\n overscroll-behavior-block: scroll;\n}", "interoperable_at": 1662940800, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical-overscroll-behavior" } ], "vendors_implementations": 3 }, { "id": "logical-properties-and-values", "title": "Logical Properties and Values", "description": "Flow-relative (left-to-right or right-to-left) properties and values", "specification": "https://www.w3.org/TR/css-logical-1/", "stage": 2, "browser_support": { "and_chr": "89", "and_ff": "66", "android": "89", "chrome": "89", "edge": "89", "firefox": "66", "ios_saf": "15", "oculus": "15.0", "op_mob": "63", "opera": "75", "safari": "15", "samsung": "15.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_logical_properties_and_values" }, "example": "span:first-child {\n margin-inline-start: 10px;\n}", "interoperable_at": 1632096000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical" } ], "vendors_implementations": 3 }, { "id": "logical-resize", "title": "Logical values in the `resize` property", "description": "Flow-relative (block or inline) values in resize", "specification": "https://www.w3.org/TR/css-logical-1/", "stage": 2, "browser_support": { "and_chr": "118", "and_ff": "63", "android": "118", "chrome": "118", "edge": "118", "firefox": "63", "ios_saf": "16", "op_mob": "79", "opera": "104", "safari": "16" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/resize" }, "example": "area {\n resize: inline;\n}", "interoperable_at": 1697155200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical-resize" } ], "vendors_implementations": 3 }, { "id": "logical-viewport-units", "title": "Logical Viewport Units", "description": "Flow-relative (horizontal or vertical) Viewport Units", "specification": "https://www.w3.org/TR/css-values-4/#viewport-relative-units", "stage": 2, "browser_support": { "and_chr": "108", "and_ff": "101", "android": "108", "chrome": "108", "edge": "108", "firefox": "101", "ios_saf": "15.4", "op_mob": "73", "opera": "94", "safari": "15.4", "samsung": "21.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/length#vb" }, "example": "span:first-child {\n width: 5vi; height: 10vb; \n}", "interoperable_at": 1670284800, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-logical-viewport-units" } ], "vendors_implementations": 3 }, { "id": "matches-pseudo-class", "title": "`:matches()` Matches-Any Pseudo-Class", "description": "A pseudo-class for matching elements in a selector list", "specification": "https://www.w3.org/TR/selectors-4/#selectordef-matches", "stage": -1, "browser_support": { "and_chr": "88", "and_ff": "82", "android": "88", "chrome": "88", "edge": "88", "firefox": "82", "ios_saf": "14", "oculus": "14.0", "op_mob": "63", "opera": "74", "safari": "14", "samsung": "15.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:is" }, "example": "p:matches(:first-child, .special) {\n margin-top: 1em;\n}", "interoperable_at": 1611187200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/postcss/postcss-selector-matches" } ], "vendors_implementations": 3 }, { "id": "media-queries-aspect-ratio-number-values", "title": "Aspect-Ratio number values", "description": "Support `<ratio>` values with `<number>` components in `@media`", "specification": "https://www.w3.org/TR/css-values-4/#ratio-value", "stage": 2, "browser_support": { "and_chr": "110", "and_ff": "78", "android": "110", "chrome": "110", "edge": "110", "firefox": "78", "ios_saf": "16.4", "safari": "16.4" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/ratio" }, "example": "@media (aspect-ratio: 1.77) {\n html {\n background-color: cyan;\n }\n}", "interoperable_at": 1679875200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-media-queries-aspect-ratio-number-values" } ], "vendors_implementations": 3 }, { "id": "media-query-ranges", "title": "Media Query Ranges", "description": "A syntax for defining media query ranges using ordinary comparison operators", "specification": "https://www.w3.org/TR/mediaqueries-4/#range-context", "stage": 3, "browser_support": { "and_chr": "104", "and_ff": "102", "android": "104", "chrome": "104", "edge": "104", "firefox": "102", "ios_saf": "16.4", "oculus": "23.0", "op_mob": "71", "opera": "90", "safari": "16.4", "samsung": "20.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_media_queries/Using_media_queries#Syntax_improvements_in_Level_4" }, "example": "@media (width < 480px) {}\n\n@media (480px <= width < 768px) {}\n\n@media (width >= 768px) {}", "interoperable_at": 1679875200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-media-minmax" } ], "vendors_implementations": 3 }, { "id": "nested-calc", "title": "Nested `calc()`", "description": "Nest calc functions with the calc function name", "specification": "https://www.w3.org/TR/css-values-4/#calc-func", "stage": 2, "browser_support": { "and_chr": "51", "and_ff": "48", "android": "51", "chrome": "51", "edge": "16", "firefox": "48", "ios_saf": "11", "oculus": "5.0", "op_mob": "41", "opera": "38", "safari": "11", "samsung": "5.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/calc" }, "example": "p {\n padding: calc(1px + calc(4 / 3));\n}", "interoperable_at": 1508198400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-nested-calc" } ], "vendors_implementations": 3 }, { "id": "nesting-rules", "title": "Nesting Rules", "description": "A syntax for nesting relative rules within rules", "specification": "https://www.w3.org/TR/css-nesting-1/", "stage": 2, "browser_support": { "and_chr": "120", "and_ff": "117", "android": "120", "chrome": "120", "edge": "120", "firefox": "117", "ios_saf": "17.2", "op_mob": "80", "opera": "106", "safari": "17.2" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/Nesting_selector" }, "example": "article {\n & p {\n color: #333;\n }\n}", "interoperable_at": 1702252800, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-nesting" } ], "vendors_implementations": 3 }, { "id": "not-pseudo-class", "title": "`:not()` Negation List Pseudo-Class", "description": "A pseudo-class for ignoring elements in a selector list", "specification": "https://www.w3.org/TR/selectors-4/#negation-pseudo", "stage": 2, "browser_support": { "and_chr": "88", "and_ff": "84", "android": "88", "chrome": "88", "edge": "88", "firefox": "84", "ios_saf": "9", "oculus": "14.0", "opera": "74", "safari": "9", "samsung": "15.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:not" }, "example": "p:not(:first-child, .special) {\n margin-top: 1em;\n}", "interoperable_at": 1611187200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-selector-not" } ], "vendors_implementations": 3 }, { "id": "oklab-function", "title": "`oklab` and `oklch` color functions", "description": "Functions that allow colors to be expressed in OKLab and OKLCH.", "specification": "https://www.w3.org/TR/css-color-4/#specifying-oklab-oklch", "stage": 2, "browser_support": { "and_chr": "116", "and_ff": "113", "android": "116", "chrome": "116", "edge": "116", "firefox": "113", "ios_saf": "16.2", "op_mob": "78", "opera": "102", "safari": "16.2" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/oklab" }, "example": "p {\n color: oklab(72.322% -0.0465 -0.1150);\n color: oklch(72.322% 0.12403 247.996);\n}", "interoperable_at": 1692576000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-oklab-function" } ], "vendors_implementations": 3 }, { "id": "opacity-percentage", "title": "Support for percentages for `opacity`", "description": "Syntactic sugar to use percentages instead of a float between 0 and 1.", "specification": "https://www.w3.org/TR/css-color-4/#transparency", "stage": 2, "browser_support": { "and_chr": "78", "and_ff": "79", "android": "78", "chrome": "78", "edge": "79", "firefox": "70", "ios_saf": "13.4", "oculus": "8.0", "op_mob": "56", "opera": "65", "safari": "13.1", "samsung": "12.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/opacity" }, "example": "img {\n opacity: 90%;\n}", "interoperable_at": 1585008000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/mrcgrtz/postcss-opacity-percentage" } ], "vendors_implementations": 3 }, { "id": "overflow-property", "title": "`overflow` Shorthand Property", "description": "A property for defining `overflow-x` and `overflow-y`", "specification": "https://www.w3.org/TR/css-overflow-3/#propdef-overflow", "stage": 2, "browser_support": { "and_chr": "68", "and_ff": "61", "android": "68", "chrome": "68", "edge": "79", "firefox": "61", "ios_saf": "13.4", "oculus": "6.0", "op_mob": "48", "opera": "55", "safari": "13.1", "samsung": "10.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/overflow" }, "example": "html {\n overflow: hidden auto;\n}", "interoperable_at": 1585008000, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-overflow-shorthand" } ], "vendors_implementations": 3 }, { "id": "overflow-wrap-property", "title": "`overflow-wrap` Property", "description": "A property for defining whether to insert line breaks within words to prevent overflowing", "specification": "https://www.w3.org/TR/css-text-3/#overflow-wrap-property", "stage": 2, "browser_support": { "and_chr": "25", "and_ff": "49", "android": "4.4", "chrome": "23", "edge": "18", "firefox": "49", "ios_saf": "7", "oculus": "5.0", "op_mob": "12.1", "opera": "12.1", "safari": "7", "samsung": "1.5" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-wrap" }, "example": "p {\n overflow-wrap: break-word;\n}", "interoperable_at": 1538438400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/mattdimu/postcss-replace-overflow-wrap" } ], "vendors_implementations": 3 }, { "id": "overscroll-behavior-property", "title": "`overscroll-behavior` Property", "description": "Properties for controlling when the scroll position of a scroll container reaches the edge of a scrollport", "specification": "https://www.w3.org/TR/css-overscroll-1/", "stage": 2, "browser_support": { "and_chr": "63", "and_ff": "59", "android": "63", "chrome": "63", "firefox": "59", "ios_saf": "16", "oculus": "5.0", "op_mob": "46", "opera": "50", "safari": "16", "samsung": "8.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/overscroll-behavior" }, "example": ".messages {\n height: 220px;\n overflow: auto;\n overscroll-behavior-y: contain;\n}\n\nbody {\n margin: 0;\n overscroll-behavior: none;\n}", "interoperable_at": 1662940800, "vendors_implementations": 3 }, { "id": "place-properties", "title": "Place Properties", "description": "Properties for defining alignment within a layout", "specification": "https://www.w3.org/TR/css-align-3/#place-items-property", "stage": 2, "browser_support": { "and_chr": "59", "and_ff": "53", "android": "59", "chrome": "59", "edge": "79", "firefox": "53", "ios_saf": "11", "oculus": "5.0", "op_mob": "43", "opera": "46", "safari": "11", "samsung": "7.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/place-content" }, "example": ".example {\n place-content: flex-end;\n place-items: center / space-between;\n place-self: flex-start / center;\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-place" } ], "vendors_implementations": 3 }, { "id": "prefers-color-scheme-query", "title": "`prefers-color-scheme` Media Query", "description": "A media query to detect if the user has requested the system use a light or dark color theme", "specification": "https://www.w3.org/TR/mediaqueries-5/#prefers-color-scheme", "stage": 2, "browser_support": { "and_chr": "76", "and_ff": "67", "android": "76", "chrome": "76", "edge": "79", "firefox": "67", "ios_saf": "13", "oculus": "7.0", "op_mob": "54", "opera": "62", "safari": "12.1", "samsung": "14.2" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme" }, "example": "body {\n background-color: white;\n color: black;\n}\n\n@media (prefers-color-scheme: dark) {\n body {\n background-color: black;\n color: white;\n }\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "JavaScript Library", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/css-prefers-color-scheme" }, { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/css-prefers-color-scheme" } ], "vendors_implementations": 3 }, { "id": "prefers-reduced-motion-query", "title": "`prefers-reduced-motion` Media Query", "description": "A media query to detect if the user has requested less animation and general motion on the page", "specification": "https://www.w3.org/TR/mediaqueries-5/#prefers-reduced-motion", "stage": 2, "browser_support": { "and_chr": "74", "and_ff": "64", "android": "74", "chrome": "74", "edge": "79", "firefox": "63", "ios_saf": "10.3", "oculus": "6.0", "op_mob": "53", "opera": "62", "safari": "10.1", "samsung": "11.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion" }, "example": ".animation {\n animation: vibrate 0.3s linear infinite both; \n}\n\n@media (prefers-reduced-motion: reduce) {\n .animation {\n animation: none;\n }\n}", "interoperable_at": 1579046400, "vendors_implementations": 3 }, { "id": "read-only-write-pseudo-class", "title": "`:read-only` and `:read-write` selectors", "description": "Pseudo-classes to match elements which are considered user-alterable", "specification": "https://www.w3.org/TR/selectors-4/#rw-pseudos", "stage": 2, "browser_support": { "and_chr": "18", "and_ff": "79", "android": "37", "chrome": "1", "edge": "13", "firefox": "78", "ios_saf": "3.2", "oculus": "5.0", "op_mob": "10.1", "opera": "9", "safari": "4", "samsung": "1.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:read-only" }, "example": "input:read-only {\n background-color: #ccc;\n}", "interoperable_at": 1593475200, "vendors_implementations": 3 }, { "id": "rebeccapurple-color", "title": "`rebeccapurple` Color", "description": "A particularly lovely shade of purple in memory of Rebecca Alison Meyer", "specification": "https://www.w3.org/TR/css-color-4/#valdef-color-rebeccapurple", "stage": 2, "browser_support": { "and_chr": "38", "and_ff": "33", "android": "38", "chrome": "38", "edge": "12", "firefox": "33", "ie": "11", "ios_saf": "8", "oculus": "5.0", "op_mob": "25", "opera": "25", "safari": "9", "samsung": "3.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/color_value" }, "example": "html {\n color: rebeccapurple;\n}", "interoperable_at": 1443571200, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-color-rebeccapurple" } ], "vendors_implementations": 3 }, { "id": "relative-color-syntax", "title": "Relative Colors", "description": "Modify existing colors using color functions", "specification": "https://www.w3.org/TR/css-color-5/#relative-colors", "stage": 2, "browser_support": {}, "docs": {}, "example": "p {\n color: lch(from peru calc(l * 0.8) c h);\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-relative-color-syntax" } ], "vendors_implementations": 0 }, { "id": "scope-pseudo-class", "title": "`:scope()` Reference Element Pseudo-class", "description": "A pseudo-class for matching one or more scoping roots", "specification": "https://www.w3.org/TR/selectors-4/#the-scope-pseudo", "stage": 2, "browser_support": { "and_chr": "27", "and_ff": "32", "android": "4.4", "chrome": "27", "edge": "79", "firefox": "32", "ios_saf": "7", "oculus": "5.0", "op_mob": "15", "opera": "15", "safari": "7", "samsung": "1.5" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:scope" }, "example": ":scope {\n background-color: pink;\n}", "interoperable_at": 1579046400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-scope-pseudo-class" } ], "vendors_implementations": 3 }, { "id": "sign-functions", "title": "`abs()` and `sign()` functions", "description": "The sign-related functions—abs() and sign()—compute various functions related to the sign of their argument", "specification": "https://www.w3.org/TR/css-values-4/#sign-funcs", "stage": 2, "browser_support": { "and_ff": "118", "firefox": "118", "ios_saf": "15.4", "safari": "15.4" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/sign" }, "example": "div {\n order: abs(-10);\n order: sign(-10);\n}", "vendors_implementations": 2 }, { "id": "src-function", "title": "`src()` function", "description": "The argument of `src()` can be provided by functions, such as var(). Otherwise this behaves the same as `url()`", "specification": "https://www.w3.org/TR/css-values-4/#funcdef-src", "stage": 2, "browser_support": {}, "example": "div {\n background: src('./image.jpg');\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/google/postcss-src" } ], "vendors_implementations": 0 }, { "id": "stepped-value-functions", "title": "`round()`, `mod()` and `rem()` functions", "description": "The stepped-value functions, `round()`, `mod()`, and `rem()`, all transform a given value according to another \"step value\", in different ways", "specification": "https://www.w3.org/TR/css-values-4/#round-func", "stage": 2, "browser_support": { "and_ff": "118", "firefox": "118", "ios_saf": "15.4", "safari": "15.4" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/round" }, "example": "div {\n left: mod(18px, 5px);\n top: rem(18px, 5px);\n right: round(2.5px, 1px);\n bottom: round(up, 15px, 7px);\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-stepped-value-functions" } ], "vendors_implementations": 2 }, { "id": "system-ui-font-family", "title": "`system-ui` Font Family", "description": "A generic font used to match the user’s interface", "specification": "https://www.w3.org/TR/css-fonts-4/#system-ui-def", "stage": 2, "browser_support": { "and_chr": "56", "and_ff": "92", "android": "56", "chrome": "56", "edge": "79", "firefox": "92", "ios_saf": "11", "oculus": "5.0", "op_mob": "43", "opera": "43", "safari": "11", "samsung": "6.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/font-family#Syntax" }, "example": "body {\n font-family: system-ui;\n}", "interoperable_at": 1630972800, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/JLHwung/postcss-font-family-system-ui" } ], "vendors_implementations": 3 }, { "id": "text-decoration-shorthand", "title": "`text-decoration` shorthand", "description": "A property for defining `text-decoration-line`, `text-decoration-thickness`, `text-decoration-style` and `text-decoration-color`", "specification": "https://www.w3.org/TR/css-text-decor-4/#text-decoration-property", "stage": 2, "browser_support": { "and_chr": "87", "and_ff": "79", "android": "87", "chrome": "87", "edge": "87", "firefox": "70", "oculus": "13.0", "op_mob": "62", "opera": "73", "samsung": "14.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration" }, "example": "p {\n text-decoration: green wavy underline 2px;\n}", "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-text-decoration-shorthand" } ], "vendors_implementations": 2 }, { "id": "trigonometric-functions", "title": "`sin()`, `cos()`, `tan()`, `asin()`, `acos()`, `atan()` and `atan2()` functions", "description": "Functions to calculate various basic trigonometric relationships", "specification": "https://www.w3.org/TR/css-values-4/#trig-funcs", "stage": 2, "browser_support": { "and_chr": "111", "and_ff": "108", "android": "111", "chrome": "111", "edge": "111", "firefox": "108", "ios_saf": "15.4", "op_mob": "75", "opera": "97", "safari": "15.4", "samsung": "22.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/sin" }, "example": "body {\n left: sin(45deg);\n left: cos(45deg);\n left: tan(45deg);\n left: asin(0.5);\n left: acos(0.5);\n left: atan(10);\n left: atan2(-1, 1);\n}", "interoperable_at": 1678665600, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-trigonometric-functions" } ], "vendors_implementations": 3 }, { "id": "unset-value", "title": "`unset` Keyword", "description": "The unset CSS keyword resets a property to its inherited value if the property naturally inherits from its parent, and to its initial value if not.", "specification": "https://www.w3.org/TR/css-cascade-4/#inherit-initial", "stage": 3, "browser_support": { "and_chr": "41", "and_ff": "27", "android": "41", "chrome": "41", "edge": "13", "firefox": "27", "ios_saf": "9.3", "oculus": "5.0", "op_mob": "28", "opera": "28", "safari": "9.1", "samsung": "4.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/unset" }, "example": "div {\n border-color: unset;\n color: unset;\n}", "interoperable_at": 1458518400, "polyfills": [ { "type": "PostCSS Plugin", "link": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-unset-value" } ], "vendors_implementations": 3 }, { "id": "when-else-rules", "title": "When/Else Rules", "description": "At-rules for specifying media queries and support queries in a single grammar", "specification": "https://www.w3.org/TR/2021/WD-css-conditional-5-20211221/", "stage": 2, "browser_support": {}, "example": "@when media(width >= 640px) and (supports(display: flex) or supports(display: grid)) {\n /* A */\n} @else media(pointer: coarse) {\n /* B */\n} @else {\n /* C */\n}", "vendors_implementations": 0 }, { "id": "where-pseudo-class", "title": "`:where()` Zero-Specificity Pseudo-Class", "description": "A pseudo-class for matching elements in a selector list without contributing specificity", "specification": "https://www.w3.org/TR/selectors-4/#where-pseudo", "stage": 2, "browser_support": { "and_chr": "88", "and_ff": "82", "android": "88", "chrome": "88", "edge": "88", "firefox": "82", "ios_saf": "14", "oculus": "14.0", "op_mob": "63", "opera": "74", "safari": "14", "samsung": "15.0" }, "docs": { "mdn": "https://developer.mozilla.org/en-US/docs/Web/CSS/:where" }, "example": "a:where(:not(:hover)) {\n text-decoration: none;\n}", "interoperable_at": 1611187200, "vendors_implementations": 3 } ]
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