body {
	background-color: green;
}
div.container {
	width: 1000px;
	margin-left: auto;
	margin-right: auto;
	border: 1px solid green;
	background-color: white;
	padding: 20px;
}

h1 {
	background-color: yellow;
}

img {
	display: block;
}

img#airplane {
	width: 300px;
	position: absolute;
	top: 10px;
	left: 10px;
}

img#airplane:hover {
	border: 3px dotted red;
	cursor: crosshair;
}