Issue #1426946 by lelutin, Jorge52 : comment-preview is white.
Issue #1290580 by ssace: Fix background colors for crappy (no rgba) browsers.; Fix missing rtl collapsed menu image.
Issue #1191810 by jsosnowski : Error changing colors to Header Top.
Issue #1140046 by dcmouyard : All text output should should meet minimum contrast guidelines. Improved text color in overlay. Improved background and tabs color in overlay. Improved tables colors.
#1114114 - CSS properties should be listed in alphabetical order. Use shorthand for hex colors whenever possible.
.info file tweaks
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