body{
	width:700px;
	margin-top:30;
	margin-left:auto;
	margin-right:auto;
	margin-bottom:100;
	font-family:sans-serif;
	padding:10px 0px 30px 40px;
	line-height:2.4;
}
p {
	font-size:16px;
	line-height:2.0;
	margin-top:0px;
	margin-bottom:5px;
}
h2{
	font-size:18px;
	margin-top:20px;
	margin-bottom:5px;
}
img {
	vertical-align:bottom;
	padding:10px 0 20px 30px;
}
.image {
	text-align:center;
}
.explanation{
	width:400px;
	float:left;
}
.screenImage{
	width:540px;
	float:right;
}
section{
	margin-top:50px;
}