About utilising webfonts, we only support IE10+ and other modern browsers so we should only use WOFF and WOFF2.

> If you don't want to support IE 8 and lower, and iOS 4 and lower, and android 4.3 or earlier, then you can just use WOFF (and WOFF2, a more highly compressed WOFF, for the newest browsers that support it.)
> https://stackoverflow.com/questions/11002820/why-should-we-include-ttf-eot-woff-svg-in-a-font-face
