<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
/*.c1{*/
/*height: 100px ;*/
/*width:100px;*/
/*border:1px red solid;*/
/*text-align:center;*/
/*line-height:100px*/
/*}*/
/*.c2:hover{*/
/**/
/*}*/
#id1{
width: 20px;height: 20px;border: solid red 1px;
background-image: url(‘http://ui.imdsx.cn/static/image/icon.png‘);
background-repeat: no-repeat;background-position: 0 0
}
</style>
</head>
<body style="margin:0 auto">
<!--<div style=" height: 100px ; width: 100px;"></div>-->
<!--<div style="height: 100px ;width:100px;border:1px red solid font-w">1</div>-->
<!--<div style="height: 100px ;width:100px;border:1px red solid;text-align:center;line-height:100px ">原文：https://www.cnblogs.com/jiadan/p/9215920.html