#photo_01 {
	background-image:url(assets/northstar/final_icons.png);
	background-size:900px 290px;
	width:900px;
	height:290px;
	margin-top:50px;}
	
#photo_02 {
	background-image:url(assets/northstar/context.png);
	background-size:900px 550px;
	width:900px;
	height:550px;
	margin-top:15px;}

#photo_03 {
	background-image:url(assets/northstar/old_icons.png);
	background-size:600px 150px;
	width:600px;
	height:150px;
	margin-top:15px;
	margin:0px auto;}