*{
	margin: 0; 
	padding: 0;
}
body {
	background: #D7DBDD;
}
#contain{
	position: relative;
	margin: auto;
	max-width: 1000px;
	background: white;
}
#col3 {
	margin: 0 1% 0 0;
	width: 100%;
	min-height: 500px;
	background: white;
	display: inline-block;
	vertical-align: top;
	padding: 1%;
}


#col4 {
	margin: 0 1% 0 0;
	width: 100%;
	min-height: 500px;
	background: white;
	display: inline-block;
	vertical-align: top;
	padding: 1%;
}
	
@media (max-width: 768px) {
	#col1, #col2, #col3, #col4 {
		display: block;
		margin: 5% auto;
		width: 90%;
	}
}