媒体查询案例

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于 2022-07-15 17:31:41 发布

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文章标签： html

本文链接：https://blog.youkuaiyun.com/red_HTML/article/details/125809239

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.a,.b,.c{
				width: 500px;
				height: 500px;
			}
			.a{
				width: 300px;
				height: 500px;
				background: red;
				float: left;
			}
			.b{
				background: black;
				float: left;
			}
			.c{
				background: green;
				float: left;
			}
			@media screen and (max-width:600px) {
				.a{
					clear: both;
					width: 100%;
					height: 100px;
				}
				.b{
					clear: both;
					height: 100px;
					width: 100%;
				}
				.c{
					height: 100px;
					clear: both;
					width: 100%;
				}
			}
		</style>
	</head>
	<body>
		<div class="box">
			<div class="div">
				<div class="a">
					1
				</div>
				<div class="b">
					2
				</div>
				<div class="c">
					3
				</div>
			</div>
		</div>
	</body>
</html>