body {
	background: #123;
	overflow: hidden;
}
svg {
	position: absolute;
	max-height: 100vw;
	max-width: 50vh;
	min-height: 300px;
	min-width: 300px;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
/* 	border: 2px solid orange; */
}