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| 1 | +<!doctype html> |
| 2 | +<meta charset="utf-8"> |
| 3 | +<meta name="viewport" content="width=device-width,initial-scale=1"> |
| 4 | +<meta http-equiv="X-UA-Compatible" content="IE=edge"> |
| 5 | +<title>CSS Database</title> |
| 6 | +<link href="style.css" rel="stylesheet"> |
| 7 | + |
| 8 | +<header class="cssdb-header"> |
| 9 | + <img class="cssdb-header-branding" src="https://rawgit.com/jonathantneal/media-expressions-spec/gh-pages/css-logo.svg" alt="CSS Logo" width="90" height="90"> |
| 10 | + <div class="cssdb-header-heading"> |
| 11 | + <h1 class="cssdb-header-title">What’s next for CSS?</h1> |
| 12 | + <p class="cssdb-header-desc">CSS Database is a comprehensive collection of CSS features and their positions in the process of becoming implemented web standards. These positions reflect the TC39 process.</p> |
| 13 | + </div> |
| 14 | + <a class="cssdb-header-link" href="">What are the stages?</a> |
| 15 | +</header> |
| 16 | +<table class="cssdb-features"> |
| 17 | + <thead> |
| 18 | + <tr> |
| 19 | + <th>Feature</th> |
| 20 | + <th>Stage</th> |
| 21 | + <th>Description</th> |
| 22 | + <th>Specification</th> |
| 23 | + <th>Polyfills</th> |
| 24 | + </tr> |
| 25 | + </thead> |
| 26 | + <tbody><tr class="cssdb-feature"> |
| 27 | + <td class="cssdb-feature-title">@apply rules</td> |
| 28 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 29 | + <td class="cssdb-feature-desc">A syntax for storing properties in a named variable, referenceable in other style rules</td> |
| 30 | + <td class="cssdb-feature-spec"><a href="http://tabatkins.github.io/specs/css-apply-rule/">http://tabatkins.github.io/specs/css-apply-rule/</a></td> |
| 31 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/pascalduez/postcss-apply">postcss-apply</a></ul></td> |
| 32 | + </tr><tr class="cssdb-feature"> |
| 33 | + <td class="cssdb-feature-title">color expressions</td> |
| 34 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 35 | + <td class="cssdb-feature-desc">A function used to modify a color</td> |
| 36 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/css-color/#modifying-colors">https://drafts.csswg.org/css-color/#modifying-colors</a></td> |
| 37 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-color-function">postcss-color-function</a></ul></td> |
| 38 | + </tr><tr class="cssdb-feature"> |
| 39 | + <td class="cssdb-feature-title">custom media queries</td> |
| 40 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 41 | + <td class="cssdb-feature-desc">An at-rule used to define aliases representing media queries</td> |
| 42 | + <td class="cssdb-feature-spec"><a href="https://www.w3.org/TR/2016/WD-mediaqueries-4-20160126/#custom-mq">https://www.w3.org/TR/2016/WD-mediaqueries-4-20160126/#custom-mq</a></td> |
| 43 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-custom-media">postcss-custom-media</a></ul></td> |
| 44 | + </tr><tr class="cssdb-feature"> |
| 45 | + <td class="cssdb-feature-title">custom selectors</td> |
| 46 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 47 | + <td class="cssdb-feature-desc">An at-rule used to define aliases representing selectors</td> |
| 48 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/css-extensions/#custom-selectors">https://drafts.csswg.org/css-extensions/#custom-selectors</a></td> |
| 49 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-custom-selectors">postcss-color-function</a></ul></td> |
| 50 | + </tr><tr class="cssdb-feature"> |
| 51 | + <td class="cssdb-feature-title">gray expressions</td> |
| 52 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 53 | + <td class="cssdb-feature-desc">An expression used to specify fully desaturated colors</td> |
| 54 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/css-color/#grays">https://drafts.csswg.org/css-color/#grays</a></td> |
| 55 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-color-gray">postcss-color-gray</a></ul></td> |
| 56 | + </tr><tr class="cssdb-feature"> |
| 57 | + <td class="cssdb-feature-title">grid layout</td> |
| 58 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 59 | + <td class="cssdb-feature-desc">A syntax for using a grid concept to lay out content</td> |
| 60 | + <td class="cssdb-feature-spec"><a href="https://www.w3.org/TR/css-grid-1/">https://www.w3.org/TR/css-grid-1/</a></td> |
| 61 | + <td class="cssdb-feature-fill"></td> |
| 62 | + </tr><tr class="cssdb-feature"> |
| 63 | + <td class="cssdb-feature-title">hex #rgba colors</td> |
| 64 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 65 | + <td class="cssdb-feature-desc">A 4 & 8 character hex notation for color to include the opacity level</td> |
| 66 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/css-color/#hex-notation">https://drafts.csswg.org/css-color/#hex-notation</a></td> |
| 67 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-color-hex-alpha">postcss-color-hex-alpha</a></ul></td> |
| 68 | + </tr><tr class="cssdb-feature"> |
| 69 | + <td class="cssdb-feature-title">hwb() expressions</td> |
| 70 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 71 | + <td class="cssdb-feature-desc">An expression used to specify colors, similar to HSL, but often even easier for humans to work with</td> |
| 72 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/css-color/#the-hwb-notation">https://drafts.csswg.org/css-color/#the-hwb-notation</a></td> |
| 73 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-color-hwb">postcss-color-hwb</a></ul></td> |
| 74 | + </tr><tr class="cssdb-feature"> |
| 75 | + <td class="cssdb-feature-title">:matches pseudo-class</td> |
| 76 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 77 | + <td class="cssdb-feature-desc">A pseudo-class used to match a selector list</td> |
| 78 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/selectors-4/#matches">https://drafts.csswg.org/selectors-4/#matches</a></td> |
| 79 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-selector-matches">postcss-selector-matches</a></ul></td> |
| 80 | + </tr><tr class="cssdb-feature"> |
| 81 | + <td class="cssdb-feature-title">media() expressions</td> |
| 82 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 83 | + <td class="cssdb-feature-desc">An expression used to define media queries within values</td> |
| 84 | + <td class="cssdb-feature-spec"><a href="https://jonathantneal.github.io/media-expressions-spec/">https://jonathantneal.github.io/media-expressions-spec/</a></td> |
| 85 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/jonathantneal/postcss-media-fn">postcss-media-fn</a></ul></td> |
| 86 | + </tr><tr class="cssdb-feature"> |
| 87 | + <td class="cssdb-feature-title">nesting rules</td> |
| 88 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 89 | + <td class="cssdb-feature-desc">A syntax for nesting relative rules inside another</td> |
| 90 | + <td class="cssdb-feature-spec"><a href="http://tabatkins.github.io/specs/css-nesting/">http://tabatkins.github.io/specs/css-nesting/</a></td> |
| 91 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/jonathantneal/postcss-nesting">postcss-nesting</a></ul></td> |
| 92 | + </tr><tr class="cssdb-feature"> |
| 93 | + <td class="cssdb-feature-title">:not list pseudo-class</td> |
| 94 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 95 | + <td class="cssdb-feature-desc">A pseudo-class used to ignore a selector list</td> |
| 96 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/selectors-4/#negation">https://drafts.csswg.org/selectors-4/#negation</a></td> |
| 97 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-selector-not">postcss-selector-not</a></ul></td> |
| 98 | + </tr><tr class="cssdb-feature"> |
| 99 | + <td class="cssdb-feature-title">range media queries</td> |
| 100 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 101 | + <td class="cssdb-feature-desc">A syntax for defining media query ranges using ordinary mathematical comparison operators</td> |
| 102 | + <td class="cssdb-feature-spec"><a href="https://drafts.csswg.org/mediaqueries/#mq-ranges">https://drafts.csswg.org/mediaqueries/#mq-ranges</a></td> |
| 103 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-media-minmax">postcss-media-minmax</a></ul></td> |
| 104 | + </tr><tr class="cssdb-feature"> |
| 105 | + <td class="cssdb-feature-title">variables</td> |
| 106 | + <td class="cssdb-feature-stage stage--null">NR</td> |
| 107 | + <td class="cssdb-feature-desc">A syntax for defining custom values accepted by all CSS properties</td> |
| 108 | + <td class="cssdb-feature-spec"><a href="https://www.w3.org/TR/css-variables/">https://www.w3.org/TR/css-variables/</a></td> |
| 109 | + <td class="cssdb-feature-fill"><ul><a href="https://github.com/postcss/postcss-custom-properties">postcss-custom-properties</a></ul></td> |
| 110 | + </tr></tbody> |
| 111 | +</table> |
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