body {
	background-color: lightblue;
	text-align: center;
}

h1 {
	background-color: black;
	border-style: solid;
	border-color: blue;
	border-width: 2px;
	text-align: center;
	color: blue;
}

button {
	display: block;
	text-align: center;
	margin: auto;
}

input {
	display: block;
	text-align: center;
	margin: auto;
}

canvas {
	margin: auto;
	border:1px solid black;
}

a.topLink {
	text-align: right;
	font-size: 70%;
	display: block;
}