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html css realizes mobile phone zoom and screen conversion_html/css_WEB-ITnose

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Release: 2016-06-24 11:49:07
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<strong><span style="font-size:12px;"><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>MyHtml.html</title>    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">    <meta http-equiv="description" content="this is my page">    <meta http-equiv="content-type" content="text/html; charset=UTF-8">        <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->	<style type="text/css">		*{margin:0px;padding:0px;}		body{background:url("imgs/img/bj.jpg")no-repeat fixed;		background-size:cover;}		#nav #logo{		background:rgba(255,255,255,0.3)url("imgs/img/logo.png")center no-repeat;		width:80px;height:80px;display:block;		border:2px solid #00CC00;border-radius:40px;z-index:999;}		#nav #ring a{display:inline-block;width:100px;height:40px;			margin:15px 0px;}		#nav #ring a:nth-child(1){		background:rgba(255,255,255,1)url("imgs/img/1_28.png")top no-repeat;}		#nav #ring a:nth-child(2){		background:rgba(255,255,255,1)url("imgs/img/1_29.png")top no-repeat;}		#nav #ring a:nth-child(3){		background:rgba(255,255,255,1)url("imgs/img/1_30.png")top no-repeat;}		#nav #ring a:nth-child(4){		background:rgba(255,255,255,1)url("imgs/img/1_31.png")top no-repeat;}		#nav #ring a:nth-child(5){		background:rgba(255,255,255,1)url("imgs/img/1_32.png")top no-repeat;}		#nav #ring a:nth-child(6){		background:rgba(255,255,255,1)url("imgs/img/1_33.png")top no-repeat;}		#nav #ring a:nth-child(7){		background:rgba(255,255,255,1)url("imgs/img/1_34.png")top no-repeat;}		#nav #ring a:nth-child(8){		background:rgba(255,255,255,1)url("imgs/img/1_35.png")top no-repeat;}		<span style="color:#ff0000;">@media screen and (min-width:880px){</span>			#nav{width:100%;height:70px;}			#nav #logo{position:absolute;top:0px;left:50px;}			#nav #ring{width:865px;height:70px;background:#FFF;			position:relative;margin:0px auto;}		}		<span style="color:#000099;">@media screen and (max-width:880px){</span>			#nav{width:256px;height:256px;border-radius:50%;			position:fixed;bottom:10px;left:10px;}			#nav #ring{width:256px;height:256px;			background:rgba(0, 0, 0, 0.5);position:relative;			margin:0px auto;border-radius:50%;transform:scale(0.1) rotate(-27deg);				transition:all 500ms ease-out;}			#nav #logo{position:absolute;bottom:0px;left:0px;top:0px;right:0px;				margin:auto;}		    #nav #ring a{display:block;width:40px;height:40px;border-radius:20px;				position:absolute;margin-left:-20px;margin-top:-20px;				}			#nav:hover #ring{transform:scale(1.1) rotate(0deg);opacity:1;}		}			</style>  </head>    <body>   <div id="nav">		<a href="http://#" id="logo"></a>		<div id="ring">			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>			<a href="#" class="menuico"></a>		</div>   </div>   <script type="text/javascript">		var ico=document.querySelectorAll('.menuico');		for(var i=0,l=ico.length ;i<l ;i++ ){			ico[i].style.left=(50-35*Math.cos(-0.5*Math.PI-2*(1/l)*i*Math.PI)).toFixed(4)+"%";			ico[i].style.top=(50+35*Math.sin(-0.5*Math.PI-2*(1/l)*i*Math.PI)).toFixed(4)+"%";		}	</script>  </body></html></span></strong>
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