ottom', 'padding-left', and 'padding'">
 </head>
 <body>
  <p>The following two blocks should be identical:</p>
  <div class="four">
   x<span>x</span>x
  </div>
  <p>
     <img alt="" src="support/swatch-white.png"><img alt="" src="support/swatch-yellow.png"><img alt="" src="support/swatch-yellow.png"><img alt="" src="support/swatch-orange.png"><img alt="" src="support/swatch-orange.png"><img alt="" src="support/swatch-orange.png"><img alt="" src="support/swatch-yellow.png"><img alt="" src="support/swatch-