Well, we're not allowed to change the design in general, but that rule is just fairly diffuse. I could understand that they wouldn't like it if the entire board got a default theme instead, but changing the radio a little shouldn't matter.

That's like saying that a higher post counter number on the forumhome section is a violation towards the voting rules, just because the page has changed.

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram