Properly fix #1150 — modern rst.css styles
Properly fix #1150 — modern rst.css styles

Stolen from Bootstrap 3.

Signed-off-by: Chris Warrick <de6f931166e131a07f31c96c765aee08f061d1a5@gmail.com>

jjconti/nikola,wcmckee/nikola,andredias/nikola,getnikola/nikola,pluser/nikola,knowsuchagency/nikola,knowsuchagency/nikola,masayuko/nikola,berezovskyi/nikola,wcmckee/nikola,andredias/nikola,atiro/nikola,knowsuchagency/nikola,TyberiusPrime/nikola,berezovskyi/nikola,okin/nikola,getnikola/nikola,lucacerone/nikola,techdragon/nikola,atiro/nikola,xuhdev/nikola,gwax/nikola,lucacerone/nikola,jjconti/nikola,masayuko/nikola,okin/nikola,TyberiusPrime/nikola,okin/nikola,atiro/nikola,x1101/nikola,x1101/nikola,yamila-moreno/nikola,schettino72/nikola,TyberiusPrime/nikola,pluser/nikola,xuhdev/nikola,masayuko/nikola,wcmckee/nikola,okin/nikola,xuhdev/nikola,gwax/nikola,getnikola/nikola,schettino72/nikola,yamila-moreno/nikola,pluser/nikola,yamila-moreno/nikola,schettino72/nikola,berezovskyi/nikola,s2hc-johan/nikola,techdragon/nikola,s2hc-johan/nikola,andredias/nikola,techdragon/nikola,getnikola/nikola,x1101/nikola,jjconti/nikola,gwax/nikola,xuhdev/nikola,s2hc-johan/nikola,lucacerone/nikola