;
			}
			#data td.bottom {
				border-bottom: none;
			}
			#data tr.head {
				background-color:lightblue;
			}
			#data tr.odd {
				background-color: beige;
			}
			#data tr.even {
				background-color: blanchedalmond;
			}
		</style>
	</head>

	<body>
		<form id="login" action="" method="post">
			<fieldset>
				<legend>用户登录</legend>
				<span>用户名: </span>
				<input type="text" name="username" required>
				<span>密码: </span>
				<input type="password" name="userpass" required>
				<s