<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>hover</title>
</head>
<body>
<style type="text/css">
.s1{
/*background-color: gold;*/
font-size:0;
}
.s1 span{
width:98px;
height: 30px;
border:1px solid black;
display:inline-block;
padding: 0;
font-size:16px;
margin-left:-1px;
text-align: center;
line-height: 30px;
}
.s1 span:hover{
background-color: gold;
}
</style>
<div class="s1">
<span>标题</span>
<span>标题</span>
<span>标题</span>
<span>标题</span>
</div>
</body>
</html>
原文：https://www.cnblogs.com/chenadong/p/10354393.html