﻿<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
 <head>
  <title>CSS 2.1 Test Suite: Length Units</title>
  <style type="text/css">
   .container { font: 15px/1 Ahem; background: url(support/swatch-red.png) 45px 0 repeat-y; color: green; }
   .zero {margin-left: 0;}
   .one {margin-left: 3em;}
   .two {margin-left: 3.75ex;}
   .three {margin-left: 45px;}
  </style>
  <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" title="4.3.2 Lengths">
 </head>
 <body>
  <p> There should be a solid vertical bar of green below. </p>
  <div class="container">
   <div class="zero">    X </div>
   <div class="one"> X </div>
   <div class="two"> X </div>
   <div class="three"> X </div>
  </div>
 </body>
</html>