html,
   body {
   	width: 100%;
   	height: 100%;
   	overflow: hidden;
   }

   body {
   	background-image: linear-gradient(to bottom right, #70a9f8, #3492ed);
   }

   .sys-title {
   	text-align: center;
   	margin-bottom: 20px;
   	color: #2F4056;
   }

   .layui-container {
   	width: 100%;
   	height: 100%;
   	overflow: hidden;
   }

   .login-container {
   	position: absolute;
   	width: 370px;
   	margin: 21px auto 0;
   	top: 45%;
   	left: 50%;
   	transform: translate(-50%, -50%);
   	background: #FFF;
   	padding: 25px 35px;
   	border-radius: 5px;
   }

   #vcode {
   	cursor: pointer;
   }

   .layui-icon-home:before {
   	font-weight: 600;
   }