How to specify the background color of a link

Example analysis:

##a:link {background-color:#B2FF99;} /* Unvisited link*/

a:visited {background-color:#FFFF85;} /* Visited link*/

a:hover {background-color:#FF704D; } /* Move the mouse to the link*/

a:active {background-color:#FF704D;} /* When the mouse is clicked*/

Use the background-color attribute to set different background colors in different states of the link.

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>php中文网(php.cn)</title> 
<style>
a:link {background-color:#B2FF99;} /* 未访问链接 */
a:visited {background-color:#FFFF85;} /* 已访问链接 */
a:hover {background-color:#FF704D;} /* 鼠标移动到链接上 */
a:active {background-color:#FF704D;} /* 鼠标点击时 */
</style>
</head>
<body>
<p><b><a href="#">这是一个链接</a></b></p>
<p><b>注意:</b> hover必须在:link和 a:visited之后定义才有效.</p>
<p><b>注意:</b>active必须在hover之后定义是有效的.</p>
</body>
</html>
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