body { background: #a2c2d6;}#col3 h1 {	border-left: 20px solid #19587a;	border-bottom: 1px solid #19587a;	padding-left: 5px;}#col1 h3, #col2 h3 {	display: block;	background-color: #a2c2d6;	padding-left: 3px;	padding-right: 3px;}#col1 .linie, #col2 .linie {border: 1px solid #19587a;}/* Hintergrundfarben */  .page_margins {	background: #e9f0f5;}  #header {	background: #e9f0f5;}  #topnav {	background: transparent;}  #main {	background: #e9f0f5;}