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导航菜单（移动出现子菜单）

2024-07-13 06:11:57   223人阅读


代码如下：
<!DOCTYPE html>
<html lang="zh-CN">
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title></title>
	<meta name="Keywords" content="" />
	<meta name="description" content="" />
	<style type="text/css">
	/* 
	这以下是重置样式 
	Remove margin padding */
	body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td { margin:0; padding:0; }

	/* Default Font */
	body,button,input,select,textarea { font:12px/1.5 \5b8b\4f53,arial,sans-serif; }
	h1,h2,h3,h4,h5,h6 { font-size:100%; }
	address,cite,dfn,em,var { font-style:normal; }
	code,kbd,pre,samp { font-family:courier new,courier,monospace; }
	small { font-size:12px; }
	ul,ol { list-style:none; }
	a { text-decoration:none; }
	a:hover { text-decoration:underline; }
	sup { vertical-align:text-top; }
	sub { vertical-align:text-bottom; }
	legend { color:#000; }
	fieldset,img { border:0; }
	button,input,select,textarea{ font-size:100%; }
	table { border-collapse:collapse; border-spacing:0; }

	/* Remove Float */
	.clear { display:block; height:0; overflow:hidden; clear:both; }
	.clearfix:after { content:‘\20‘; display:block; height:0; clear:both; }
	.clearfix { *zoom:1; }
	/* 重置样式结束 */
	
	</style>
</head>
<body style="padding-top:50px;">


	<style type="text/css">
		.nav { height:25px; font-family:"Microsoft Yahei"; }
		.nav ul li { position:relative; float:left; display:inline; margin-left:1px; width:100px; text-align:center; height:25px; line-height:25px; }
		.nav ul li a { transition:background 500ms linear; text-decoration:none; display:block; text-shadow:0px 1px 0px #000; width:100%; height:100%; text-align:center; background-color:#089478; color:#FFF;  }
		.nav ul li a:hover, .nav ul li a.current { background-color:#076451; text-decoration:none; }
		.nav .sub-nav { display:none; position:absolute; top:24px; left:0px; padding-top:10px; }
		.nav .sub-nav li { float:none; display:block; width:100px; height:30px; line-height:30px; }
		.nav .sub-nav .triangle { position:absolute; left:50%; top:5px; margin-left:-3px; display:block; width:0; height:0; overflow:hidden; line-height:0; font-size:0; border-bottom:5px solid #089478; border-top:none; border-left:5px solid #FFF; border-right:5px solid #FFF; }
	</style>

	<div class="nav">
		<ul class="clearfix">
			<li>
				<a href=http://www.mamicode.com/"#">导航1>


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