CSS 常见布局

单列布局

单列布局（不通栏）

在这里插入图片描述

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>单列布局（不通栏）</title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}

			.header {
				margin: 0 auto;
				max-width: 960px;
				height: 100px;
				background-color: orangered;
			}

			.content {
				margin: 0 auto;
				max-width: 960px;
				height: 400px;
				background-color: seagreen;
			}

			.footer {
				margin: 0 auto;
				max-width: 960px;
				height: 100px;
				background-color: slateblue;
			}
		</style>
	</head>
	<body>
		<div class="header"></div>
		<div class="content"></div>
		<div class="footer"></div>
	</body>
</html>

单列布局（通栏）

在这里插入图片描述

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>单列布局（通栏）</title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}

			.header {
				margin: 0 auto;
				height: 100px;
				background-color: orangered;
				overflow: hidden;
			}

			.nav {
				margin: 10px auto 0;
				max-width: 800px;
				background-color: darkgray;
				height: 50px;
			}

			.content {
				margin: 0 auto;
				max-width: 960px;
				height: 400px;
				background-color: seagreen;
			}

			.footer {
				margin: 0 auto;
				height: 100px;
				background-color: slateblue;
			}
		</style>
	</head>
	<body>
		<div class="header">
			<div class="nav"></div>
		</div>
		<div class="content"></div>
		<div class="footer"></div>
	</body>
</html>

双列布局

双列布局，一列固定宽度，另一列填充用剩余空间。

float+overflow:hidden

在这里插入图片描述

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>双列布局（float+overflow:hidden）</title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}

			.container {
				height: 500px;
				background-color: palevioletred;
				overflow: hidden;
				zoom: 1;
			}

			.left {
				width: 200px;
				height: 100%;
				background-color: lightgreen;
				float: left;
				margin-right: 20px;
			}

			.right {
				height: 100%;
				background-color: lightblue;
				overflow: hidden;
				zoom: 1;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="left"></div>
			<div class="right"></div>
		</div>
	</body>
</html>

flex

在这里插入图片描述

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>双列布局（flex）</title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}

			.container {
				height: 500px;
				background-color: palevioletred;
				display: flex;
			}

			.left {
				width: 200px;
				height: 100%;
				background-color: lightgreen;
				margin-right: 20px;
			}

			.right {
				height: 100%;
				background-color: lightblue;
				flex: 1;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="left"></div>
			<div class="right"></div>
		</div>
	</body>
</html>

grid

在这里插入图片描述

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>双列布局（grid）</title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}

			.container {
				height: 500px;
				background-color: palevioletred;
				display: grid;
				grid-template-columns: auto 1fr;
				grid-gap: 20px;
			}

			.left {
				width: 200px;
				background-color: lightgreen;
			}

			.right {
				background-color: lightblue;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="left"></div>
			<div class="right"></div>
		</div>
	</body>
</html>