.ri-grid{
	margin: 0;
	position: relative;
	height: auto;
}
.ri-grid ul {
	list-style: none;
	display: block;
	width: 100%;
	margin: 0;
	padding: 0;
}
.ri-grid ul:before,
.ri-grid ul:after{
	content: '';
    display: table;
}

.ri-grid ul:after {
    clear: both;
}
.ri-grid ul li {
	-webkit-perspective: 400px;
	-moz-perspective: 400px;
	-o-perspective: 400px;
	-ms-perspective: 400px;
	perspective: 400px;	
	margin: 0;
	padding: 0;
	float: left;
	position: relative;
	display: block;
	overflow: hidden;
}

.ri-grid ul li a{
	display: block;
	outline: none;
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	-o-backface-visibility: hidden;
	-ms-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	-o-transform-style: preserve-3d;
	-ms-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-background-size: 80%;
	-moz-background-size: 80%;
	background-size: 80%;
	background-position: center center;
	background-repeat: no-repeat;
	background-color: #fff;
	-webkit-box-sizing: content-box;
	-moz-box-sizing: content-box;
	box-sizing: content-box;
}