div { display: block; margin: 1em; }
   span { display: inline; }

   /* test */
   div { font: 20px/1 Ahem; width: 4em; background: red; color: green; }
  </style>
 </head>
 <body>
  <p>Test passes if there is a filled green rectangle and <strong>no red</strong>.</p>

  <div>
   xxxx
   xxxx
  </div>

 </body>
</html>
