摘要：<!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&quo
<!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案例</title>
<link rel="stylesheet" type="text/css">
<style type="text/css">
.box{width:980px; height:20px; background: #0099CC}
#main{width:300px; height:300px; background:#FF0000}
</style>
</head>
<body>
<div class="box"></div>
<div id="main">
</div>
</body>
</html>
批改老师：天蓬老师批改时间：2018-12-06 16:25:43
老师总结：你这代码也太简洁了吗? 真的掌握了吗?
