CSS 3 Module <== Test # ==>
W3C Selectors 33 of 276 of the static tests category
Testing Date Revision
Impossible rules (* html, * :root) (ID #27b) 2005-10-17 1.0

This line should be green (there should be no red on this page).

* html { background-color: red; }
* :root { background-color: red; }
p { color: green; }
<p>This line should be green (there should be no red on this page).</p>