CSS root Selector (:root)

What is CSS :root Selector?

CSS root selector select root element of the document.

Syntax

General syntax of CSS :root selector,

 :root {   property: value;   property: value;   ... }

Example

CSS :root selector select root element of the document.

 <!DOCTYPE html> <html> <head>   <title>CSS :root Selector</title>   <style type="text/css">     :root {       background: #ff0000;     }         div {       width: 400px;       height: 130px;       border: 1px solid yellow;     }   </style> </head> <body>   <h1>This is a heading</h1> </body> </html>

Browser Compatibility

  • Google Chrome 2+
  • Mozilla Firefox 1.5+
  • Internet Explorer 9+
  • Opera 9.5+
  • Safari 3.1+

Note: Here details of browser compatibility with version number may be this is bug and not supported. But recommended to always use latest Web browser.