* {
	box-sizing: border-box;
}

.container {
	width: 100%;
	padding-left: 15px;
	padding-right: 15px;
	margin-left: auto;
	margin-right: auto;
}

@media (min-width: 576px) {

	.container {
		max-width: 540px;
	}

}

@media (min-width: 768px) {

	.container {
		max-width: 720px;
	}

}

@media (min-width: 992px) {

	.container {
		max-width: 960px;
	}

}

@media (min-width: 1200px) {

	.container {
		max-width: 1140px;
	}

}

.item {
	padding: 15px;
}

.item img {
	width: 100%;
	height: auto;
}

.column.size-1of4 {
	width: 25%;
	float: left;
}