.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;
}
@media (min-width: 768px) {
	.ch-grid li {
	width: 170px;
	height: 170px;
	display: inline-block;
	margin: 5px;
}
.ch-item {
	border: 0px solid #4ECAF5;
}
}
@media (min-width: 992px) {
.ch-grid li {
	width: 210px;
	height: 210px;
	display: inline-block;
	margin: 5px;
	
}
.ch-item {
	border: 5px solid #4ECAF5;
}
}
@media (min-width: 1200px) {
.ch-grid li {
	display: inline-block;
    height: 210px;
    margin: 5px 18px;
    width: 210px;
}
.ch-item {
	border: 5px solid #4ECAF5;
}
}