.one_half { width: 50% }
.one_third { width: 33.33% }
.two_third { width: 66.67% }
.one_fourth { width: 25% }
.three_fourth { width: 75% }
.one_fifth { width: 20% }
.two_fifth { width: 40% }
.three_fifth { width: 60% }
.four_fifth { width: 80% }
.one_sixth { width: 16.67% }
.five_sixth { width: 83.33% }
.one_half,
.one_third,
.two_third,
.three_fourth,
.one_fourth,
.one_fifth,
.two_fifth,
.three_fifth,
.four_fifth,
.one_sixth,
.five_sixth {
	float: left;
	margin: 0;
	position: relative;
}
.column-last {
	clear: right;
	margin-right: 0!important;
}
.clear {
	clear: both;
	display: block;
	font-size: 0;
	height: 0;
	line-height: 0;
	width: 100%;
}
.center {
	text-align: center;
}
.right {
	text-align: right;
}