清除CSS

YongJie · 发表于 2013-2-7 23:37:40

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>清除CSS</title>
<style type="text/css">
.xx{
  background-color:#330000;
  width:300px;
  height:250px;
}
.xx td{
  background-color: #999999;
}
.xx .idname {
  background-color:#FFFFFF;
}
</style>
</head>
<body>
<table cellspacing="2" cellpadding="2" class="xx">
<tr>
    <td>&nbsp;1</td>
    <td class="idname">&nbsp;2</td>
    <td>&nbsp;3</td>
</tr>
</table>
</body>
</html>

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