<svg xmlns="http://www.w3.org/2000/svg" viewBox="10 10 1 2">
<!-- width="100%" height="100%" is implied, so intrinsic size is 100%x100% -->
<!-- intrinsic ratio is 2:1 due to viewBox -->
</svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="10 10 1 2">
<!-- width="100%" height="100%" is implied, so intrinsic size is 100%x100% -->
<!-- intrinsic ratio is 2:1 due to viewBox -->
</svg>