<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
 <head>
  <title>:only-child pseudo-class</title>
  <style type="text/css">.red { background-color : red }
p:only-child { background-color : lime }
div.testText > div > p { margin-left : 1em }
</style>
  <link rel="first" href="css3-modsel-1.html" title="Groups of selectors">
  <link rel="prev" href="css3-modsel-35.html" title=":last-of-type pseudo-class">
  <link rel="next" href="css3-modsel-37.html" title=":only-of-type pseudo-class">
  <link rel="last" href="css3-modsel-d4.html" title="Dynamic updating of :first-child and :last-child">
  <link rel="up" href="./index.html">
  <link rel="top" href="../../index.html">
 </head>
 <body>
<p>This paragraph should have normal background</p>
<div>This div contains only one paragraph
    <p class="red">This paragraph should have green background</p>
</div>
</body>
</html>