We should ensure to prefer usage of SVGs over pixel-based formats for our style guide example images where possible.
Images like “Icon style” or “creating icons” are much better off being SVGs for HiDPI displayes. Examples currently at https://wikimedia.github.io/WikimediaUI-Style-Guide/visual-style.html#colors
Ensure https://www.sitepoint.com/tips-accessible-svg/ tips are followed.