* {     box-sizing: border-box;}
body {
	background-color: silver;  
}

#wrapper {
	width: 900px; 
	background-color: tomato; 
	margin: auto; 
}

header {
	height: 250px; 
	background: lightsalmon; 	
}

#leftcol {
	width: 600px; 
	float: left;  
	background-color: peachpuff; 
	min-height: 300px; 
	padding:  20px; 

	}

#rightcol {
 /*trick for even columns is to keep secondary column same 
   back color as wrapper*/
	width: 300px; 
	float: left; 
	min-height: 300px; 
	padding: 15px; 	
	}
	
p, li {	font-family: 'century gothic', arial, verdana; } 
footer {
	clear: both; 
	background-color: orange; 
	padding: 20px; 
}