<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
ul {
list-style-type: none;
}
li {
background: orange;
width: 200px;
height: 50px;
margin: 0 0 20px 0;
}
.left-image {
float: left;
width: 60px;
height: 60px;
border: dashed 2px black;
background: url(http://www.w3cschool.cn/style/download.png) red;
}
</style>
</head>
<body>
<ul>
<li>
<div class="left-image"></div> one
</li>
<li>
<div class="left-image"></div> two
</li>
<li>
<div class="left-image"></div> potato
</li>
<li>
<div class="left-image"></div> four
</li>
</ul>
</body>
</html>
【ui_ol】
