<html>
<head>
<title>兩個塊級元素的margin</title>
<style type="text/css">
<!--
div{
background-color:#a2d2ff;
text-align:center;
font-family:Arial, Helvetica, sans-serif;
font-size:12px;
padding:10px;
}
-->
</style>
</head>
<body>
<div style="margin-bottom:50px;">塊元素1</div>
<div style="margin-top:30px;">塊元素2</div>
</body>
</html>
