[ticket/11801] removed some whitespace and added missing semi colon's in css

PHPBB3-11801
Merge remote-tracking branch 'Prosk8er/ticket/11801' into develop-olympus

* Prosk8er/ticket/11801:
  [ticket/11801] removed some whitespace and added missing semi colon's in css
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/11801] removed some whitespace and added missing semi colon's in css

Conflicts:
	phpBB/styles/prosilver/theme/colours.css