.columns {

	.half {
		width: 49%;
		width: calc(50% - 5px);
		margin-left: 10px;
		*margin-left: 2%;
		float: left;

		&:first-child {
			margin-left: 0;
		}
	}

	.third {
		width: 33.3%;
		float: left;
	}

	.fifth {
		width: 20%;
		float: left;
	}
}
