.canvas-wrapper {
	position: absolute;
	left: 0;
	top: 0;

	width: calc(100% - var(--margin)*2);
	height: calc(100% - var(--margin)*2);
	margin: var(--margin);

	display: flex;
    justify-content: space-around;
	align-items: center;

	z-index: 0;
}