<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html charset=utf-8" />
<link rel="stylesheet" type="text/css" href="css/xing.css" />
</head>
<body>
<div id="content" style="margin:0 auto background-color:#0F6 width:1000px height:500px position:relative">
<div class="login" style="position:absolute top:50%left:50%margin-top:-100pxmargin-left:-200pxbackground:#69F width:400px height: 200px border-radius:10px">
<div style=" margin-left:100pxmargin-top:50px">
<p style="display:inline">用户名:</p>
<input type="text" value="123"/>
</div>
<div style="margin-left:100pxmargin-top:20px">
<p style="display:inline">密&nbsp码:</p>
<input type="password" value="123"/>
</div>
<div style=" text-align:centermargin-top:20px">
<input class="button" type="button" value="登录" style="margin-right:10px padding:5px 15px background:#F9C border-radius:3px border:#F0C 1px solid"/>
<input class="button" type="button" value="重置" style="padding:5px 15px background:#F9C border-radius:3px border:#F0C 1px solid"/>
</div>
</div>
</div>
</body>
</html>
整体居中,效果还可以。
div id=win style="display:nonePOSITION:absoluteleft:50%top:50%width:600pxheight:400pxmargin-left:-300pxmargin-top:-200pxborder:1px solid #888background-color:#edftext-align:center">这是DIV登录框示例<br><a href="javascript:closeLogin()">关闭登录框</a></div><script>
function openLogin(){
document.getElementById("win").style.display=""
}
function closeLogin(){
document.getElementById("win").style.display="none"
}
</script>
<a href="javascript:openLogin()">打开登录框</a>