Add workaround for missing "block" display

mw-ui-block isnt allowed for anchros yet (in discussion here
I1267c838aaa93d3ec4b22577fe959764ba2d11f3). Add a workaround for MF cta
drawer.

Add a margin for links, too (among p and buttons).

Bug: 72474
Change-Id: Id32b0c4da7a22162461b57a7880821512bdef2ee
Merge "Add workaround for missing "block" display"