Fix CX conflict info message overlap with sidebar

Authored by Petar.petkovic on Feb 13 2018, 7:39 AM.

Description

Fix CX conflict info message overlap with sidebar

  • Display conflict message in two thirds, instead on whole width
  • Use mediawiki variables for colors
  • Slightly reorganize code for better readability and adhering to

coding conventions for property order.

Bug: T187144
Change-Id: If9a66fd45f5e83e47a040770c06186c0addc6bdb