In addition:
* .mw-mmv-reuse-copy => .mw-mmv-dialog-copy because it's not just a
reuse dialog thing anymore
* Adjust margin between attribution textbox and attribution option
widget to stay consistent with reuse dialog UI
Bug: T77295
Change-Id: I79abdc1a3c10f0a8c3ecb6f4d444a601595a903f
Replacing colors with ones from current WCAG 2.0 level AA compliant
color palette. Also improving SVG files by svgo optimization where
easily applicable and cleaning up some minor Less shortcomings.
Bug: T149769
Change-Id: I3d46c95a61112ba808c6ec664a95c94e9cb42c5e
