<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>css布局1-默认布局</title>
<style type="text/css">
div{
margin:0;
padding:0;
}
div{
width:100px;
height:100px;
}
#one{
background:red;
}
#two{
background:blue;
}
#three{
background:green;
}
</style>
</head>
<body>
<div id="one">1</div>
<div id="two">2</div>
<div id="three">3</div>
</body>
</html>
时间： 2024-10-12 14:38:46