una/studio/template/css/page_columns.css

/*--- Background ---*/
div.bx-std-page-bg {
	background-image: url(../images/bx-std-bg-columns.png);
	background-repeat: repeat-y;
	background-position: 0px 0px;
}
div.bx-std-page-bg-empty {
    background-image: url(../images/bx-std-spacer.gif);
}

/*--- 2 columns ---*/
div.bx-std-page-columns {
	position: relative;
	overflow: hidden;
}
div.bx-std-page-columns-cnt {
	width: 200%;
}
div.bx-std-page-column-wrp {
	position: relative;
	float: right;
	width: 50%;
}
div.bx-std-page-column {}
div.bx-std-page-column-cnt {}
div.bx-std-page-menu {
	position: relative;
	float: left;
    width: 230px;
}
div.bx-std-page-content {
	position: relative;
	right: 100%;
	margin-left: 230px;
}