W3Schools のブラウザ・サポート・リファレンスは、定期的に主要なブラウザでテストをしています。
W3Schools のブラウザ・サポート・リファレンスは、定期的に主要なブラウザでテストをしています。
下の表は、全ての CSS3 プロパティとブラウザ・サポートの一覧です：
| プロパティ | IE | Firefox | Chrome | Safari | Opera |
|---|---|---|---|---|---|
| align-content | 11 | 28 | 21 | 9 | 12.1 |
| align-items | 11 | 20 | 21 | 9 | 12.1 |
| align-self | 11 | 20 | 21 | 9 | 12.1 |
| all | 27 | 37 | 24 | ||
| @keyframes | 10 | 16 | 43 | 9 | 30 |
| animation | 10 | 16 | 43 | 9 | 30 |
| animation-name | 10 | 16 | 43 | 9 | 30 |
| animation-duration | 10 | 16 | 43 | 9 | 30 |
| animation-timing-function | 10 | 16 | 43 | 9 | 30 |
| animation-delay | 10 | 16 | 43 | 9 | 30 |
| animation-iteration-count | 10 | 16 | 43 | 9 | 30 |
| animation-direction | 10 | 16 | 43 | 9 | 30 |
| animation-play-state | 10 | 16 | 43 | 9 | 30 |
| backface-visibility | 10 | 16 | 36 | 9 | 23 |
| background-clip | 9 | 4 | 4 | 3 | 10.5 |
| background-origin | 9 | 4 | 4 | 3 | 10.5 |
| background-size | 9 | 4 | 4 | 4.1 | 10 |
| border-bottom-left-radius | 9 | 4 | 5 | 5 | 10.5 |
| border-bottom-right-radius | 9 | 4 | 5 | 5 | 10.5 |
| border-image | 11 | 15 | 16 | 6 | 15 |
| border-image-outset | 11 | 15 | 15 | 6 | 15 |
| border-image-repeat | 11 | 15 | 15 | 6 | 15 |
| border-image-slice | 11 | 15 | 15 | 6 | 15 |
| border-image-source | 11 | 15 | 15 | 6 | 15 |
| border-image-width | 11 | 13 | 15 | 6 | 15 |
| border-radius | 9 | 4 | 5 | 5 | 10.5 |
| border-top-left-radius | 9 | 4 | 5 | 5 | 10.5 |
| border-top-right-radius | 9 | 4 | 5 | 5 | 10.5 |
| box-decoration-break | 32 | 22 | 6.1 | 15 | |
| box-shadow | 9 | 4 | 10 | 5.1 | 10.5 |
| box-sizing | 8 | 29 | 10 | 5.1 | 9.5 |
| break-after | 10 | 11.1 | |||
| break-before | 10 | 11.1 | |||
| break-inside | |||||
| 段数 | 10 | 2 | 50 | 9 | 37 |
| column-fill | 13 | ||||
| 段の間隔 | 10 | 2 | 50 | 9 | 37 |
| 段間の罫線 | 10 | 2 | 50 | 9 | 37 |
| column-rule-color | 10 | 2 | 50 | 9 | 37 |
| column-rule-style | 10 | 2 | 50 | 9 | 37 |
| column-rule-width | 10 | 2 | 50 | 9 | 37 |
| column-span | 10 | 50 | 9 | 37 | |
| column-width | 10 | 2 | 50 | 9 | 37 |
| columns | 10 | 9 | 50 | 9 | 37 |
| filter | 13 | 35 | 18 | 9.1 | 15 |
| fit | |||||
| flex | 11 | 28 | 29 | 9 | 17 |
| flex-basis | 11 | 28 | 29 | 9 | 17 |
| flex-direction | 11 | 28 | 29 | 9 | 17 |
| flex-flow | 11 | 28 | 29 | 9 | 17 |
| flex-grow | 11 | 28 | 29 | 9 | 17 |
| flex-shrink | 11 | 28 | 29 | 9 | 17 |
| flex-wrap | 11 | 28 | 29 | 9 | 17 |
| @font-face | 9 | 3.6 | 4 | 3 | 10 |
| @font-feature-values | |||||
| font-feature-settings | 10 | 34 | 16 | 25 | |
| font-kerning | |||||
| font-language-override | |||||
| font-size-adjust | 3 | ||||
| font-stretch | |||||
| font-synthesis | |||||
| font-variant | |||||
| font-variant-alternates | |||||
| font-variant-caps | |||||
| font-variant-east-asian | |||||
| font-variant-ligatures | |||||
| font-variant-numeric | |||||
| font-variant-position | |||||
| hanging-punctuation | |||||
| hyphens | 10 | 6 | 13 | 5.1 | |
| image-orientation | 26 | ||||
| image-rendering | 11.6 | ||||
| image-resolution | |||||
| justify-content | 11 | 28 | 29 | 9 | 17 |
| line-break | 5.5 | 1 | |||
| mark | |||||
| mark-after | |||||
| mark-before | |||||
| marks | |||||
| marquee-direction | |||||
| marquee-play-count | |||||
| marquee-speed | |||||
| marquee-style | |||||
| nav-down | 11.5 | ||||
| nav-index | 11.5 | ||||
| nav-left | 11.5 | ||||
| nav-right | 11.5 | ||||
| nav-up | 11.5 | ||||
| object-fit | 36 | 31 | 7.1 | 19 | |
| object-position | 36 | 31 | 19 | ||
| opacity | 9 | 2 | 4 | 3.1 | 9 |
| order | 11 | 28 | 29 | 9 | 17 |
| outline-offset | 3.5 | 4 | 3 | 10.5 | |
| overflow-wrap | 9 | 3.5 | 3 | 9.5 | |
| overflow-x | 9 | 3.5 | 4 | 3 | 9.5 |
| overflow-y | 9 | 4 | 3 | 9.5 | |
| @page | 8 | 19 | 5 | 6 | |
| perspective | 10 | 16 | 36 | 9 | 23 |
| perspective-origin | 10 | 16 | 36 | 9 | 23 |
| resize | 5 | 4 | 4 | 15 | |
| rest | |||||
| rest-after | |||||
| rest-before | |||||
| ruby-align | 38 | ||||
| tab-size | 4 | 21 | 6.1 | 15 | |
| text-align-last | 5.5 | 12 | 35 | ||
| text-combine-upright | 11 | 48 | 48 | 34 | |
| text-decoration-color | 6 | ||||
| text-decoration-line | 6 | ||||
| text-decoration-style | 6 | ||||
| text-justify | 5.5 | ||||
| text-orientation | 48 | 34 | |||
| text-overflow | 6 | 7 | 4 | 3.1 | 11 |
| text-shadow | 10 | 3.5 | 4 | 4 | 9.6 |
| text-underline-position | |||||
| transform | 10 | 16 | 36 | 9 | 23 |
| transform-origin | 10 | 16 | 36 | 9 | 23 |
| transform-style | 11 | 16 | 36 | 9 | 23 |
| transition | 10 | 16 | 26 | 6.1 | 12.1 |
| transition-delay | 10 | 16 | 26 | 6.1 | 12.1 |
| transition-duration | 10 | 16 | 26 | 6.1 | 12.1 |
| transition-property | 10 | 16 | 26 | 6.1 | 12.1 |
| transition-timing-function | 10 | 16 | 26 | 6.1 | 12.1 |
| word-break | 5.5 | 15 | 4 | 3.1 | 15 |
| word-wrap | 5.5 | 3.5 | 4 | 3.1 | 10.5 |
| writing-mode | 9.0 | 41 | 8.0 | 5.1 | 15.0 |
| Internet Explorerはサポート済です | |
| Firefoxはサポート済です | |
| Google Chromeはサポート済です | |
| Safariはサポート済です | |
| Operaはサポート済です |
| Internet Explorerは、接頭辞-ms-でサポートします | |
| Firefoxは、接頭辞-moz-でサポートします | |
| Google Chromeは、接頭辞-webkit-でサポートします | |
| Safariは、接頭辞-webkit-でサポートします | |
| Operaは、接頭辞-webkit-でサポートします |
ブラウザアイコンの右の数字は、プロパティを最初にサポートしたブラウザのバージョンを示しています。
| 11 | |
| 26 | |
| 29 | |
| 6 | |
| 23 |