body {
	font-family: Arial, sans-serif;
	font-size: 100%;
	width: 500px;
	margin: 0 auto;
	border: 3px blue solid; 
}
section {
	padding: 20px;	
}
div {
    overflow:hidden;	
}
h1 {
	margin: 0 0 .25em;
	padding: 0;
}
ul {
    list-style: none;
	width: 500%;
	margin:0;
	padding:0;
    position:relative;
}
ul li {
    width: 20%;
    float: left;
}
h2 {
    color: blue;
	font-size: 100%;
}
img {
	max-width:100%;
	height:auto;	
}