代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>游戏登陆</title>
<link rel="stylesheet" type="text/css" href="游戏登陆.css"/>
</head>
<body>
<div id="游戏登陆">
<h1>游戏登陆</h1>
<form method="post">
<input type="text" required="required" placeholder="用户名" name="u"></input>
<input type="password" required="required" placeholder="密码" name="p"></input>
<button class="but" type="submit">登录</button>
</form>
</div>
</body>
</html>