前端学习笔记-12盒子模型布局案例

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			.main{
				width: 1300px;
				height: 1000px;
				background-color: #8B0000;
				margin: 10px auto;
			}
			.header{
				height: 70px;
				background-color: pink;
			}
			.body{
				width:1000px ;
				height: 800px;
				background-color: white;
				margin: 20px auto;				
			}	
			.main .body .banner{
				height: 200px;
				background-color: pink;
			}
			.main .body .middleboxes{
				margin-top: 20px;
				height: 200px;
				background-color: pink;
			}
			.main .body .downboxes{
				margin-top: 20px;
				height: 360px;
				background-color: pink;				
			}
			.main .body .middleboxes .smallboxes, .main .body .downboxes .bigboxes{
				float: left;
				width:235px ;
				height: 100%;
				background-color: yellow;
				margin-right: 20px;
			}
			
			.main .body .middleboxes .smallboxes.last, .main .body .downboxes .bigboxes.last {
				margin-right: 0;
			}
			
			
			.main .footer{
				margin-top: 20px;
				height:110px;
				background-color: pink;
			}

</style>
	</head>
	<body>
		<div class="main">
			<div class="header">header</div>
			<div class="body">	
				<div class="banner">banner					
				</div>
				<div class="middleboxes">
					<div class="smallboxes">1</div>
					<div class="smallboxes">2</div>
					<div class="smallboxes">3</div>
					<div class="smallboxes last">4</div>
				</div>
				<div class="downboxes">
					<div class="bigboxes"></div>
					<div class="bigboxes"></div>
					<div class="bigboxes"></div>
					<div class="bigboxes last"></div>
				</div>
			</div>			
			<div class="footer">footer</div>
		</div>
	</body>
</html>

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			.main{
				width: 1300px;
				height: 1000px;
				background-color: #8B0000;
				margin: 10px auto;
			}
			.header{
				height: 70px;
				background-color: pink;
			}
			.body{
				width:1000px ;
				height: 800px;
				background-color: white;
				margin: 20px auto;				
			}	
			.main .body .banner{
				height: 200px;
				background-color: pink;
			}
			.main .body .middleboxes{
				margin-top: 20px;
				height: 200px;
				background-color: pink;
			}
			.main .body .downboxes{
				margin-top: 20px;
				height: 360px;
				background-color: pink;				
			}
			.main .body .middleboxes .smallboxes, .main .body .downboxes .bigboxes{
				float: left;
				width:235px ;
				height: 100%;
				background-color: yellow;
				margin-right: 20px;
			}
			
			.main .body .middleboxes .smallboxes.last, .main .body .downboxes .bigboxes.last {
				margin-right: 0;
			}
			
			
			.main .footer{
				margin-top: 20px;
				height:110px;
				background-color: pink;
			}

		</style>
	</head>
	<body>
		<div class="main">
			<div class="header">header</div>
			<div class="body">	
				<div class="banner">banner					
				</div>
				<div class="middleboxes">
					<div class="smallboxes">1</div>
					<div class="smallboxes">2</div>
					<div class="smallboxes">3</div>
					<div class="smallboxes last">4</div>
				</div>
				<div class="downboxes">
					<div class="bigboxes"></div>
					<div class="bigboxes"></div>
					<div class="bigboxes"></div>
					<div class="bigboxes last"></div>
				</div>
			</div>			
			<div class="footer">footer</div>
		</div>
	</body>
</html>