<!DOCTYPE html> <html> <head> <title>CSS 2.1 Test Suite: :first-line</title> <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu" /> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/selector.html#first-line"/> <meta name="flags" content="" /> <style> div { color: red } div::first-line { color: green } </style> </head> <body> <div><span><span style="float: left">This should be green</span></span></div> </body> </html>