举例：
<!DOCTYPEhtml>
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS3:empty选择器</title>
<styletype="text/css">
table,tr,td
{
border:1pxsolidsilver;
}
td
{
width:60px;
height:60px;
line-height:60px;
text-align:center;
background-color:#FFA722;
}
td:empty
{
background-color:red;
}
</style>
</head>
<body>
<table>
<tr>
<td>2</td>
<td>4</td>
<td>8</td>
</tr>
<tr>
<td>16</td>
<td>32</td>
<td>64</td>
</tr>
<tr>
<td>128</td>
<td>256</td>
<td></td>
</tr>
</table>
</body>
</html>
本文转载自中文网
本文转载自中文网
如需转载，请注明文章出处和来源网址：http://www.divcss5.com/css3-style/c56587.shtml
