怎么設置才能跟百度首頁似的讓這些表單內容顯示在網頁正中間
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>表單標簽</title>
</head>
<body>
<form method="post" action="save.php">
? ? ? <label for="username">用戶名:</label>
? ? ? <input type="text" ?name="username" id="username" value="" />
? ? ? <label for="pass">密碼:</label>
? ? ? <input type="password" ?name="pass" id="pass" value="" /> ? ?
? ? ? <input type="submit" value="確定" ?name="submit" />
? ? ? <input type="reset" value="重置" name="reset" />
</form> ?
</body>
</html>
2017-05-10
用margin，只填充上和左
2017-05-10
<form method="post" action="save.php" style="margin-top: 20em;margin-left: 53em">
2017-05-10
?<table aline="center"></table>