网页页面布局
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>网页页面布局</title>
</head>
<style>
header,section,footer{
height: 200px;
border:1px solid red;
}
</style>
<body>
<header>
<h2>网页头部</h2>
</header>
<section>
<h2>网页主体部分</h2>
</section>
<footer>
<h2>网页底部</h2>
</footer>
</body>
</html>