::selection pseudo-elementDaniel GlazmanCSS 3 Module W3C Selectors Next ::before pseudo-element Previous ::first-letter pseudo-element Test # 40 of 143 Testing ::selection pseudo-element ID 40 Date 11-july-2001 Revision 1.0
Any textual selection in this long paragraph should have green background. Any textual selection in this long paragraph should have green background. Any textual selection in this long paragraph should have green background.
p::selection { font-size : xx-large ; background-color : lime }
<p xmlns="http://www.w3.org/1999/xhtml">Any textual selection in this long paragraph should have green background. Any textual selection in this long paragraph should have green background. Any textual selection in this long paragraph should have green background.</p>