body {
	padding:0;
	margin:0;
	color:darkblue;
	height:95%;
}
h1 {
	border-bottom:2px solid darkblue;
	margin:50px;
}
#demo {
	margin:50px 50px 0 50px;
	width:650px;
	background:#C4D0E9;
	padding:15px;
	border:3px solid #FFF;
}
ul li {
	padding-bottom:10px;
}
button {
	text-align:left;
	padding-left:20px;
}