.ch-grid {
	margin: 20px 0 0 0;
	padding: 0;
	list-style: none;
	display: block;
	text-align: center;
	width: 100%;
}

.ch-grid:after,
.ch-item:before {
	content: '';
    display: table;
}

.ch-grid:after {
	clear: both;
}

.ch-grid li {
	width: 220px;
	height: 220px;
	display: inline-block;
	margin: 10px 35px;
}



/** Estilo particular de navegador circular **/

.ch-item {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	position: relative;
	cursor: default;
	box-shadow: 
		inset 0 0 0 16px rgba(255,255,255,0.6),
		0 1px 2px rgba(0,0,0,0.1);
		
	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;
}

.ch-img-1 { 
	background-image: url(images/books.png);
}

.ch-img-2 { 
	background-image: url(images/youngs.png);
}

.ch-img-3 { 
	background-image: url(images/atlas.png);
}

.ch-info {
	width: inherit;
	height: inherit;
	position: absolute;
	background: rgba(0,179,208, 0.7);
	border-radius: 50%;
	opacity: 0;
	
	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;
	
	-webkit-transform: scale(0);
	-moz-transform: scale(0);
	-o-transform: scale(0);
	-ms-transform: scale(0);
	transform: scale(0);
	
	-webkit-backface-visibility: hidden;

}

.ch-info h1 {
	width:200px;
	height: 220px;
	margin: 0px;
	padding: 0px 10px;
	text-align:center;
	display:table-cell;
	vertical-align: middle;
	position:relative;
	
	color: #fff;
	font-family: 'Open Sans', Arial, sans-serif;
	font-weight:300;
	font-size: 23px;
	line-height:23px;
	text-transform: uppercase;
	text-shadow: 
		0 0 2px #fff, 
		0 1px 3px rgba(0,0,0,0.9);
}
.ch-info h1 strong{font-weight:700;}

.ch-item:hover {
	cursor:pointer;
	box-shadow: 
		inset 0 0 0 1px rgba(255,255,255,0.1),
		0 1px 2px rgba(0,0,0,0.1);
}
.ch-item:hover .ch-info {
	-webkit-transform: scale(1);
	-moz-transform: scale(1);
	-o-transform: scale(1);
	-ms-transform: scale(1);
	transform: scale(1);
	opacity: 1;
}