html,
body {
	position:fixed;
	height:100%;
	width:100%;
	margin: 0;
}
canvas {
	display: block;
	vertical-align: bottom;
}
#particles-js {
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: 50% 50%;
	background-repeat: no-repeat;
	position: absolute;
}
.login{z-index: 2;position:absolute;width: 400px;border-radius: 5px;height: 490px;background: white;box-shadow: 0px 0px 5px #333333;top: 50%;left: 50%;margin-top: -250px;margin-left: -175px;transition: all 1s;-moz-transition: all 1s;	/* Firefox 4 */-webkit-transition: all 1s;	/* Safari 和 Chrome */-o-transition: all 1s;	/* Opera */}
.login-top{font-size: 24px;margin-top: 20px;text-align:center;box-sizing: border-box;color: #333333;margin-bottom: 20px;}
.login-center{width: 100%;box-sizing: border-box;padding: 0 65px;margin-bottom: 40px;}
.login-center-img{width: 20px;height: 20px;float: left;margin-top: 5px;}
.login-center-img>img{width: 100%;}
.login-center-input{float: left;width: 230px;margin-left: 15px;height: 30px;position: relative;}
.login-center-input input{z-index: 2;transition: all 0.5s;padding-left: 10px;color: #333333;width: 100%;height: 30px;border: 0;border-bottom: 1px solid #cccccc;border-top: 1px solid #ffffff;border-left: 1px solid #ffffff;border-right: 1px solid #ffffff;box-sizing: border-box;outline: none;position: relative;}
.login-center-input input:focus{border: 1px solid dodgerblue;}
.login-center-input-text{background: white;padding: 0 5px;position: absolute;z-index: 0;opacity: 0;height: 20px;top: 50%;margin-top: -10px;font-size: 14px;left: 5px;color: dodgerblue;line-height: 20px;transition: all 0.5s;-moz-transition: all 0.5s;	/* Firefox 4 */-webkit-transition: all 0.5s;	/* Safari 和 Chrome */-o-transition: all 0.5s;	/* Opera */}
.login-center-input input:focus~.login-center-input-text{top: 0;z-index: 3;opacity: 1;margin-top: -15px;}
.login.active{-webkit-animation: login-small 0.8s ; animation: login-small 0.8s ;animation-fill-mode:forwards;-webkit-animation-fill-mode:forwards}
.login-button{cursor: pointer;width: 250px;text-align: center;height: 40px;line-height: 40px;background-color: dodgerblue;border-radius: 5px;margin: 0 auto;margin-top: 50px;color: white;}
.msg-div{
	display: none;
}
.login-button-min {
	cursor: pointer;
	width: 60px;
	text-align: center;
	height: 20px;
	line-height: 20px;
	background-color: dodgerblue;
	border-radius: 5px;
	margin: 0 auto;
	margin-top: 30px;
	margin-right: 10px;
	color: white;
	padding: 1px 5px;
	font-size: 12px;
	line-height: 1.5;
	border-radius: 5px;
	background-color: #5bc0de;
}
.clearfix:after{visibility:hidden;display: block;font-size:0;content:" ";clear:both;height:0;}
.sk-rotating-plane {
	display: none;
	width: 80px;
	height: 80px;
	margin: auto;
	background-color: white;
	-webkit-animation: sk-rotating-plane 1.2s infinite ease-in-out;
	animation: sk-rotating-plane 1.2s infinite ease-in-out;
	z-index: 1;
	position: absolute;
	top: 50%;
	left: 50%;
	margin-left: -40px;
	margin-top: -80px;
}
.sk-rotating-plane.active{display: block;}
@keyframes sk-rotating-plane{
	0% {
		-webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
		transform: perspective(120px) rotateX(0deg) rotateY(0deg);
	}
	50% {
		-webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
		transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
	}
	100% {
		-webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
		transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
	}
}