<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
a {
display:inline-block;
margin:0px 0px 5px 5px;
padding:6px 8px;
font-size:14px;
outline:none;
text-align:center;
width:50px;
line-height:30px;
cursor: pointer;
}
a.btn_a:hover {
color:white;
background-color:rgba(0,64,156,.8);
}
a.btn_b:hover {
color:white;
background-color:rgba(255,0,0,.8);
}
</style>
</head>
<body>
<div>
<a class="btn_a">回复</a>
<br/><br/><br/>
<a class="btn_b">删除</a>
</div>
</body>
</html>
原文：http://www.cnblogs.com/firstForEver/p/4468403.html