1、从网上下载了一个不错的登录框样式（table结合css布局）；
2、初学xhtmL，自己改写了一下，希望有用
3. 我怎么不会上传截图呢？
1. [代码]xhtml_css组合
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>form表单—xhtml_css表示</title>
<style type="text/css">
body,h2,h3,p,img,dl,dd,ul, ol,li{margin:0;padding:0;border:none;font-size:12px;color:#666}
body{margin:0 auto;font-family: verdana, tahoma, sans-serif;}
ul,ol,li{ list-style:none}
a{text-decoration:none; color:#666}
a:hover{ color:#F60; }
.login { 180px; padding:15px 10px;}
.login fieldset{ border:0; margin:0px; padding:0px;}
.login legend{ display:none}
.login_title,.login_item,.login_footer{ margin-top:8px;}
.login_title p,.login_item .input_user,.login_item .input_pwd,.login_footer .login_btn{ margin-top:6px;}
.login_title h3{ height:20px; padding-top:5px; font-size:10px;font-weight:bold; background-color:#F4F4F4}
.login_title img{ 16px; height:16px; }
.login_title p{ font-size:12px;color:#666666}
.login_item label{ display:block;}
.login_item input{background:#FFFFFF;border:1px solid #CCCCCC;color:#000000;font-size:0.95em;}
.login_item .input_user{background-image:url(images/username.gif);background-position:1px 1px;background-repeat:no-repeat;padding-left:20px;height:20px;FONT-SIZE:12px;}
.login_item .input_pwd{background-image:url(images/password.gif);background-position:1px 1px;background-repeat:no-repeat;padding-left:20px;height:20px;FONT-SIZE:12px;}
.login_footer p{font-size:10px;color:#F60}
.login_footer .login_btn{85px;}
</style>
</head>
<body>
<div class="login">
<form id="" name="" action="" method="post">
<fieldset>http://www.huiyi8.com/gongzuozongjie/
<legend>登陆</legend>
<div class="login_title">
<h3><b>+用户登录</b></h3>
<P><img src="images/warning.gif" align="absmiddle">请输入登陆的用户和密码</P>
</div>工作总结
<div class="login_item">
<label for="form_user">用户名：</label>
<input type="text" class="input_user" name="form_user" id="form_user" value="" tabindex="1" />
</div>
<div class="login_item">
<label for="form_pwd">密 码：</label>
<input type="text" class="input_pwd" name="form_pwd" id="form_pwd" value="" tabindex="2" />
</div>
<div class="login_footer">
<p>忘记密码？</p>
<input type="submit" class="login_btn" value="登 录" tabindex="3" />
</div>
</fieldset>
</form>
</div>
</body>
</html>