SVG support is nearly universal now: <a href="http:&#x2F;&#x2F;caniuse.com&#x2F;#feat=svg" rel="nofollow">http:&#x2F;&#x2F;caniuse.com&#x2F;#feat=svg</a> -- plus, the icons aren&#x27;t necessary for the UI to function, so perhaps they&#x27;ve forgone the fallback.