jQuery ?? ??? ???? ???
?? ????? html ???? ?? ??? ??? ???????. ?? ??? ??? ??? ?????.
css ???? ?? ???? ? ???? ??? ? ????. ?, ?? ???? ?? ???, ?? ??????.
CSS ??? ???????
<style type="text/css">
*{margin:0px;padding:0px;}
#bdy{width:100%;height:950px;background:#999;}
#dv{position:absolute; top:40px;left:20px;width:300px;height:250px;background:#f44;}
#con{width:300px;height:200px;margin-left:35px;margin-top:35px;font-family:"隸書(shū)";font-size:18px;}
#but{width:230px;height:30px;margin-top:15px;border:1px solid #ccc;background:#f60;font-family:"隸書(shū)";
font-size:18px;}
#but:hover{background:#f66;}
span{margin-left:80px;}
</style>?? ?? ??? CSS ??? ??????
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>登錄頁(yè)面的驗(yàn)證</title>
<style type="text/css">
*{margin:0px;padding:0px;}
#bdy{width:100%;height:950px;background:#999;}
#dv{position:absolute; top:40px;left:20px;width:300px;height:250px;background:#f44;}
#con{width:300px;height:200px;margin-left:35px;margin-top:35px;font-family:"隸書(shū)";font-size:18px;}
#but{width:230px;height:30px;margin-top:15px;border:1px solid #ccc;background:#f60;font-family:"隸書(shū)";
font-size:18px;}
#but:hover{background:#f66;}
span{margin-left:80px;}
</style>
</head>
<body>
<div id="bdy">
<div id="dv">
<div id="con">
<form method="post" action="#">
用戶(hù)名：<input type="text" placeholder="請(qǐng)輸入用戶(hù)名" id="name"></br>
<span id="sp1"></span></br></br>
密 碼：<input type="password" placeholder="請(qǐng)輸入密碼" id="pwd"></br>
<span id="sp2"></span></br></br>
<input type="button" value="登 錄" id="but">
</form>
</div>
</div>
</div>
</body>
</html>????? ????, ??? ??? ? ????. , ???? ??? ???? ????? ??? ????? ? ????. ?? #bdy? ?? div? ????, ???? ??? ? ????
background:url('picture');
