body {
	display: table;
}

textarea {
	width: 20em;	
}

canvas {
	background-color: black;
}

body div {
	display: flex;
	width: 100%;
	height: 100%;
	margin: 10px;
}

.col {
    flex-direction: column;
	width: 50%;
}

.col > * {
	width: 100%;
	height: 100%;
}

.image {
	width: 400px;
	height: 200px;
}