This may be useful if you decided to continue using the Catalyst EZ Column Classes in your Catalyst-to-Genesis converted websites.

Catalyst EZ Column Class Styles

/*** EZ Column Styles ***/

.ez-five-sixths,
.ez-four-fifths,
.ez-four-sixths,
.ez-one-fifth,
.ez-one-fourth,
.ez-one-half,
.ez-one-sixth,
.ez-one-third,
.ez-three-fifths,
.ez-three-fourths,
.ez-three-sixths,
.ez-two-fifths,
.ez-two-fourths,
.ez-two-sixths,
.ez-two-thirds {
  padding-left: 3%;
	float: left;
}

.ez-one-half,
.ez-three-sixths,
.ez-two-fourths {
	width: 48%;
}

.ez-one-third,
.ez-two-sixths {
	width: 31%;
}

.ez-four-sixths,
.ez-two-thirds {
	width: 65%;
}

.ez-one-fourth {
	width: 22.5%;
}

.ez-three-fourths {
	width: 73.5%;
}

.ez-one-fifth {
	width: 17.4%;
}

.ez-two-fifths {
	width: 37.8%;
}

.ez-three-fifths {
	width: 58.2%;
}

.ez-four-fifths {
	width: 78.6%;
}

.ez-one-sixth {
	width: 14%;
}

.ez-five-sixths {
	width: 82%;
}

.ez-first {
	padding-left: 0 !important;
	clear: both;
}

.ez-only {
	width: 100%;
	padding-left: 0 !important;
	float: left;
}

.ez-row-wrap {
	width: 100%;
	margin-bottom: 20px;
	float: left;
	clear: both;
}

.ez-row-wrap-border {
	border-bottom: 1px solid #E8E8E8;
	width: 100%;
	margin-bottom: 15px;
	padding-bottom: 15px;
	float: left;
	clear: both;
}