Column Classes - Built off the base column classes originally supplied in the Genesis Framework with fifths added.

column-classes-default.css

/**
 * Column Classes 
 *
 * Width: 100%
 * Gutter: 2.5641025641%
 * Link: http://www.nickdiego.com/plugins/column-class-builder/
 ----------------------------------------------------------------------------- */

.five-sixths,
.four-fifths,
.four-sixths,
.one-fifth,
.one-fourth,
.one-half,
.one-sixth,
.one-third,
.three-fifths,
.three-fourths,
.three-sixths,
.two-fifths,
.two-fourths,
.two-sixths,
.two-thirds {
	float: left;
	margin-left: 2.5641025641%;
}

.one-half,
.three-sixths,
.two-fourths {
	width: 48.717948718%;
}

.one-third,
.two-sixths {
	width: 31.6239316239%;
}

.four-sixths,
.two-thirds {
	width: 63.2478632479%;
}

.one-fourth {
	width: 23.0769230769%;
}

.three-fourths {
	width: 69.2307692308%;
}

.one-fifth {
	width: 17.9487179487%;
}

.two-fifths {
	width: 35.8974358974%;
}

.three-fifths {
	width: 53.8461538462%;
}

.four-fifths {
	width: 71.7948717949%;
}

.one-sixth {
	width: 14.5299145299%;
}

.five-sixths {
	width: 72.6495726496%;
}

.first {
	clear: both;
	margin-left: 0;
}

@media only screen and (max-width: 800px) {
	.five-sixths,
	.four-fifths,
	.four-sixths,
	.one-fifth,
	.one-fourth,
	.one-half,
	.one-sixth,
	.one-third,
	.three-fifths,
	.three-fourths,
	.three-sixths,
	.two-fifths
	.two-fourths,
	.two-sixths,
	.two-thirds {
		margin: 0;
		width: 100%;
	}
}