<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>列表样式</title>
<style type="text/css">
/*css样式*/
ul{
/*list-style-type: none;*/
list-style-type: square;
}
</style>
</head>
<body>
<ul>
<li>中国
<ul>
<li>北京</li>
<li>上海</li>
<li>重庆</li>
</ul>
</li>
</ul>
<ul>美国</ul>
<ul>俄国</ul>
</body>
</html>
!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css样式的绝对定位</title>
<style type="text/css">
#div1{
background-color: red;
border: 1px solid black;
width: 300px;
height: 300px;
position: absolute;/*绝对定位*/
left: 100px;/*左边边框*/
top: 100px;/*顶部边框*/
}
</style>
</head>
<body>
<div id="div1"> </div>
</body>
</html>
