.ch-grid {
	width: 174px;
	height: 174px;
	display: inline-block;
	float: left;
	list-style: none;
	padding: 10px 20px;
}

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

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

.ch-grid li {
	width: 170px;
	height: 170px;
	display: inline-block;
	margin: 20px;
}