<html>
<head>
  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />

  <style type="text/css">
    div.circle {
      background: url(green-circle-alpha-32x32.png) center fixed;
      width: 32px;
      height: 32px;
    }

    div.redalpha {
      background: url(red-128-alpha-32x32.png) center;
      width: 32px;
      height: 32px;
    }

    div.yellow {
      background: url(yellow-32x32.png);
      width: 32px;
      height: 32px;
    }

    *#test1 {
      width: 96px;
      background-color: yellow;
    }

    *#test2 {
      width: 96px;
      background-color: red;
    }

    div.inline > div {
      display: inline-block;
    }
  </style>
</head>

<body>
  <div id="test1" class="inline"><div class="circle"><div class="redalpha"></div></div><div class="circle"><div class="redalpha"></div></div><div class="circle"><div class="redalpha"></div></div></div>
  <div id="test2" class="inline"><div class="yellow"><div class="circle"><div class="redalpha"></div></div></div><div class="yellow"><div class="circle"><div class="redalpha"></div></div></div><div class="yellow"><div class="circle"><div class="redalpha"></div></div></div></div>
  <div class="inline"><div class="yellow"><div class="circle"><div class="redalpha"></div></div></div><div class="yellow"><div class="circle"><div class="redalpha"></div></div></div><div class="yellow"><div class="circle"><div class="redalpha"></div></div></div></div>
</body>

</html>