body,h3{
 	margin: 0;
 	padding: 0;
 	
 	overflow: hidden;
 }
 #box{
    display: flex;
    display: -webkit-flex;
    height: 100vh;
    width: 100%;
    align-items:center;
    justify-content:center;
    background: url(../img/bg.jpg) no-repeat;
 	/*background-size: 100%;*/
}
.item{
    width: 460px;
    height: 230px;
    background-color: rgba(255,192,159,.8);
    transition: .5s ease;
    border-radius: 8px;
    padding: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.item .login-box{
	margin-top: 50px;
}

.item .title p{
	color: #333;
	
}
.item h3{
	color: white;
	text-align: center;
	height: 60px;
	line-height: 60px;
	letter-spacing:5px;
    background-color: rgb(255,87,34);
    border-radius: 8px;
}
.zh,.password{
	height: 30px;
	width: 265px;
	margin: 20px auto;
	color: #333;
}

.item .text,.item .pwd{
	display: inline-block;
	height: 35px;
	width: 200px;
	border:none;
	padding-left: 10px; 
	border-radius: 4px;
	
}
.item .login{
	display: block;
	width: 150px;
	height: 40px;
	margin: 10px auto;
	text-decoration: none;
	text-align: center;
	color: white;
	line-height: 40px;
	border-radius: 20px;
	background-image: linear-gradient(to right, rgb(132,202,252) , rgb(152,152,253));
}
.item .login:hover{
	background-image: linear-gradient(to right,  rgb(152,152,253),rgb(132,202,252) );
}
#warning{
	opacity: 0;
	text-align: center;
	color: red;
	font-size: 14px;
}