一，代码
二，结果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>QQ登录</title>
<link rel="stylesheet" href="./QQ登录.css">
</head>
<body>
<div>
<ul class="menu">
<li >申请接入</li>
<li >授权管理</li>
<li >QQ登录</li>
<li class="you">QQ登录</li>
</ul>
</div>
<div class="left">
<h4>账号密码登录</h4><br>
推荐使用快速安全登录，防止盗号
<form action="#" method="post" class="denglu">
<p>
<input type="text" name="账号" placeholder="支持QQ号/邮箱/手机号登陆">
</p >
<p>
<input type="password" name="密码" id="密码" placeholder="密码">
</p >
<p>
<input type="button" class="button" value="授权并登录">
</p >
</form>
</div>
<ul class="help">
<li>忘记密码？</li>
<li>注册新账号</li>
<li>意见反馈</li>
</ul>
<div class="reight">
<form action="#" method="post">
<p>
腾讯网将获得以下权限：<br>
</p>
<p>
<input type="radio" name="按钮" id="全选">全选<br>
</p >
<p>
<input type="radio" name="按钮" id="获得">获得您的昵称、头像、性别及会员信息<br>
</p >
<p>
授权后表明你已同意QQ登录服务协议
</p >
</form>
</div>
</body>
</html>
ul > li{
list-style: none;
}
a {
text-decoration: none;
}
ul.menu {
background-color: #aac6f0;
width: 1000px;
height: 80px;
}
ul >li.you{
width: 180px;
height: 30px;
font-size: 20px;
float: left;
text-align: center;
margin-top: 30px;
color: white;
border-left: 4px solid white;
}
ul > li {
width: 80px;
height: 40px;
float: right;
text-align: center;
margin-top: 30px;
color: white;
border-left: 1px solid white;
}
ul > li:last-child{
border: none;
}
ul > li:nth-last-child(2){
border: none;
}
div.left{
width: 500px;
height: 400px;
text-align: center;
}
div.left > form.denglu > p > input.button{
display: block;
margin-top: 32px;
padding: 11px 0;
width: 50%;
font-size: 14px;
cursor: pointer;
color: white;
position: relative;
left: 120px;
background-color:#6dcd4c;
}
ul.help {
color: black;
width: 1000px;
height: 80px;
}
div.reight{
position: absolute;
top: 112px;
left: 520px;
width: 480px;
height: 400px;
text-align: left;
}
结果：
