(Persistent) base.css should load always (font-style: italic
(Preferred) large.css should load by default if screen > 600px (font-size: 4rem
(Alternative) eye-pain.css should load only if user agent changes
it(font-size: 0.25rem
NOTE: This only works on Firefox out of the box (View > Page Style).
I am some content to preview on this awesome website.