body {
	height: 100%;
	width: 100%;
	background-color: darkgreen;
	font-family: Tahoma, sans-serif;
}
h1 {
	text-align: center;
}
h2 {
	text-align: center;
}
#rect {
	height: 100%;
	width: 50%;
	min-width: 600px;
	margin: auto;
	border-style: solid;
	border-color: black;
	background-color: lightgreen;
}
img {
	display: block;
	width: 50%;
	margin: auto;
}