语法:
E:root : {attribute}
相关伪类: E:nth-child(n) | E:nth-last-child(n) | E:nth-of-type(n) | E:nth-last-of-type(n) | E:last-child | E:first-of-type | E:only-child | E:only-of-type | E:empty
说明:
匹配文档的根元素。在HTML中,根元素永远是HTML
兼容性:
| 类型 |
Internet Explorer |
Firefox |
Chrome |
Opera |
Safari |
|---|---|---|---|---|---|
| 版本 | (×)IE6 | (√)Firefox 2.0 | (√)Chrome 1.0.x | (√)Opera 9.63 | (√)Safari 3.1 |
| (×)IE7 | (√)Firefox 3.0 | (√)Chrome 2.0.x | (√)Safari 4Public beta | ||
| (×)IE8 | (√)Firefox 3.5 | ||||
示例:

Internet Explorer
Firefox
Chrome
Opera
Safari