CSS 3 Module <== Test # ==>
W3C Selectors 51 of 276 of the static tests category
Testing Date Revision
::before pseudo-element (ID #41) 2001-07-11 1.0

You should see before this paragraph the words GENERATED CONTENT over green background

p::before { background-color : lime ; content : "GENERATED CONTENT "}
<p>You should see before this paragraph the words GENERATED CONTENT over green background</p>