.flip-container {
		perspective: 1000;
	}
		.flip-container:hover .flipper, .flip-container.hover .flipper {
			transform: rotateY(180deg);
			transition-property: height;
			transition-duration: 5s;
			
		}
	.flip-container .front {}
	
	.flip-container .back {}
	
	.flip-container .back img{filter: blur(1px);}
	
	.flipper {
		transition: 1s;
		transform-style: preserve-3d;
		position: relative;
	}
	
	.front, .back {
		backface-visibility: hidden;
		position: absolute;
		top: 0;
		left:0;
		
	}
	.front, .back img{margin-bottom:-3px;}
	.front {
		z-index: 2;
		transform: rotateY(0deg);
		
		
	}
	
	.back {
		transform: rotateY(180deg);
	}
	.back .bt100 a {
		border: 1px solid #fff;
		border-radius: 5px;
		float: left;
		left: 50px;
		line-height: 40px;
		position: relative;
		text-align: center;
		top: 114px; margin-bottom:0px;
		width: 120px; font-size:18px;
		z-index:3;
		position:absolute;
	}