<!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, p { background: green; }
      div::first-line, p::first-line { background-color: red; }
      span.one { background: inherit; }
      span.two { background-color: inherit; }
    </style>
  </head>
  <body>
    <div><p><span class="one">One</span><span class="two">Two</span></p></div>
  </body>