代码：

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>做一个仿制的登录页面</title>
        <link rel="stylesheet" type="text/css" href="../css/017.css" />
    </head>
    <body>
        <div id="box01">
            <h2>登陆页面</h2>
            <form action="#" method="#" class="form">
                <div>
                    <span>账号： </span>
                    <input type="text" />
                </div>
                <div>
                    <span>密码： </span>
                    <input type="password" />
                </div>
            </form>
        </div>
    </body>
</html>
body{
    margin: 0;
    padding: 0;
    text-decoration: none;
}
h2{
    font-size: 16px;
    background-color: #FFA500;
    line-height: 30px;
    margin: 0;
}
#box01{
    width: 300px;
    border:2px solid red ;
}
form
{
    background-color: #FFA500;
}
div:nth-last-of-type(1)input{
    border: 3px dashed black;
}

 

运行结果：

011登陆页面_css