<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>按钮按下效果</title>
<style type="text/css">
#div1{ width:120px; height:40px; line-height:40px; text-align:center; color:#fff; background:#039; text-shadow:1px 1px 2px #000; box-shadow:0 5px 2px #000; position:relative; top:0; cursor:pointer; margin:0 auto;}
#div1:active{ top:3px; box-shadow:0 2px 2px #000;}
</style>
<script type="text/javascript"></script>
</head>
<body>
<div id="div1">按钮</div>
</body>
</html>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>按钮按下效果</title>
<style type="text/css">
#div1{ width:120px; height:40px; line-height:40px; text-align:center; color:#fff; background:#039; text-shadow:1px 1px 2px #000; border-radius:5px; box-shadow:inset 0px 0px 20px #fff, 0 5px 2px #000; position:relative; top:0; transition:0.2s all ease; margin:50px auto; cursor:pointer;}
#div1:hover{ box-shadow:inset 0px 0px 40px #fff, 0 5px 2px #000;}
#div1:active{ top:3px; box-shadow:inset 0px 0px 40px #fff, 0 2px 2px #000;}
</style>
<script type="text/javascript"></script>
</head>
<body>
<div id="div1">按钮</div>
</body>
</html>
