css如何实现背景图电脑端/手机端自适应功能
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2022-04-30 15:48:53
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css代码：
@charset "utf-8";
*{
margin: 0px;
padding: 0px;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: 12px;
}
a{
text-decoration: none;
}
html{
width: 100%;
height: 100%;
overflow-x:hidden;
overflow-y:auto;
}
body{
width: 100%;
min-height: 100%;
}
.login-bg{
background:url(./bg.png) no-repeat center;
background-size: cover;
overflow: hidden;
}
html代码：
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title></title>
<meta name="renderer" content="webkit|ie-comp|ie-stand">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width,user-scalable=yes, minimum-scale=0.4, initial-scale=0.8, target-densitydpi=low-dpi" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
</head>
<body class="login-bg">
//你的内容
</body>
</html>
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