Board Thread:Support Requests - Designing Your Wiki/@comment-31702336-20170511030128/@comment-26402117-20170511131146

You could make it that color with wiki CSS (MediaWiki:Oasis.css only for customising these buttons - Monobook hasn't got the new design system):


 * Code:
 * CSS:
 * NB: I added a class to the button code called "button-is-grey". You can rename it, but in both.

Or you could make the same effect with inline styling (if style sheets are less appropriate):
 * Code: