<!DOCTYPE html>
<html>
<head>
<title>XXX网</title>
<style type="text/css">
div.category{
32%;
padding:32% 0 0 0;
float: left;
margin-left: 1%;
margin-top: 1%;
background-color: antiquewhite;
position: relative;
}
.category_title{
position: absolute;
top: 16%;
font-size: 1.2rem;
100%;
text-align: center;
}
</style>
</head>
<body>
<div class="category">
<h3 class="category_title">XXX</h3>
</div>
<div class="category">
<h3 class="category_title">XXX</h3>
</div>
<div class="category">
<h3 class="category_title">XXX</h3>
</div>
<div class="category">
<h3 class="category_title">XXX</h3>
</div>
</body>
</html>