css实现鼠标经过tr时,改变tr当前背景颜色

css实现鼠标经过tr时,改变tr当前背景颜色

代码如下:


<!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>无标题文档</title>
<style type="text/css">
.bg table.sub_table tr:hover{ background:#CCCCCC;}
</style>
</head>

<body>


<div class="bg">
<table class="sub_table">
<tr>
    <td align="center">1</td>
    <td height="20"> 123</td>
    <td height="20"> abvx</td>
    <td height="20"> 465465</td>
    <td height="20">546654654</td>
</tr>
<tr>
    <td align="center">1</td>
    <td height="20"> 123</td>
    <td height="20"> abvx</td>
    <td height="20"> 465465</td>
    <td height="20">546654654</td>
</tr>
<tr>
    <td align="center">1</td>
    <td height="20"> 123</td>
    <td height="20"> abvx</td>
    <td height="20"> 465465</td>
    <td height="20">546654654</td>
</tr>
<tr>
    <td align="center">1</td>
    <td height="20"> 123</td>
    <td height="20"> abvx</td>
    <td height="20"> 465465</td>
    <td height="20">546654654</td>
</tr>
</table>
</div>
</body>
</html>


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