e="text/css">* { margin: 0; padding: 0 }<![CDATA[
   div { font: 15px/1 Ahem; margin: 1em; background: yellow; }
   .two { width: 13em; height: 3em; background: green; }
   .two p { color: white; background: white url(support/swatch-red.png) 3em 0 no-repeat; }
   .two span { margin-right: 4em; color: white; }
  ]]></style>
  <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#margin-properties" title="8.3 Margin properties: 'margin-top',  'margin-right',  'margin-bottom', 'margin-left', and 'margin'"