I made main_color.scss. But it looks weired with many extends.

Thank you for your work. I think, we should reduce the amount of colors drastical for a clean design. Compare it i.e. with the color palette of kirby: https://github.com/getkirby/kirby/blob/ ... iables.css

And this is the CSS code, which affects the logo:

Yikes! I can see how using dev tools would be the "easiest" approach now