@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代碼：
<!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">//你的內容</body></html>
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