demos: Improve example and console toggle links usability
demos: Improve example and console toggle links usability

Improving usability both on mobile and desktop.
Links are not overlapping any more and are also not wrapping weirdly
on smaller canvas.

Change-Id: I063c7d03c0bfaec9c2d14ff55220d0d1628384ba

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui