.left-col {
	width:50%; 
	min-width:180px; 
	height:auto; 
	box-sizing: border-box; 
	float:left; 
	padding-right: 10px
}

.right-col {
	width:50%; 
	min-width:180px; 
	height:auto; 
	box-sizing: border-box; 
	float:right; 
	padding-left: 10px
}