IMG to SVG with 200x200 attributes

IMG to 100x100 PNG with 200x200 attributes

IMG to 200x200 PNG with 200x200 attributes

IMG to 400x400 PNG with 200x200 attributes

IMG SRCSET to multiple PNGs with 200x200 attributes

IMG to SVG with no attributes - 200x200 sizing via CSS

IMG to 400x400 PNG with no attributes - 200x200 sizing via CSS

IMG to SVG with no attributes and no sizing via CSS
(although the width and height of the container set a size)