CSS3: root selectors
CSS selectors complete reference manual
Definition and Usage
: Root Used to select the root element matching documents.
In HTML, the root element is always the HTML element.Browser Support
Figures in the table represent the first browser to support the version number of the property.
选择器 | |||||
---|---|---|---|---|---|
:root | 4.0 | 9.0 | 3.5 | 3.2 | 9.6 |