登录界面

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<style>
			body{
				background-color:lavender;
			}
			.text{
				width: 220px;
				height: 50px;
				text-align: center;
				border-radius: 40px;    /*目标元素四角都为4px的圆角*/
				margin: 0 0 0 48px;
			}
			h1{
				color: white;
				font-size: 80px;
				font-family:Calibri;
				margin: 0 0 -4px 0;
			}
		#submit{
			width: 75px;
			height: 40px;
			font-size: 18px;
			font-family:"微软雅黑";	
			background: none;
			border-radius: 10px; 
			margin: 20px 0 0 125px;
		}	
		#submit:hover{
			background-color:white ;
			cursor:pointer;
		}
		form{
			position: absolute;
			left: 480px;
			top: 150px;
		}
		input:focus{
			outline: none;
			box-shadow: 0.5px 0.5px 1px 1px pink;
			background: none;
		}
		</style>
	</head>
	<body>
			
			<form  method="post">
			<h1>Welcome</h1>
			<p><input type="text" class="text" name="zhanghao" placeholder="请输入账号" required/></p>
			<input type="password" class="text" name="mima" placeholder="请输入密码" required/>
			<br><input type="submit" name="submit" id="submit"  value="登录"/></br>
		</form>
	</body>
</html>

 登录界面