Board Thread:Support Requests - Getting Technical/@comment-24736958-20200131005643/@comment-9605025-20200131043627

The Attack on Titan Wiki is likely just using site CSS. If you are unfamiliar with what site CSS is, you can place it either here or here. You could also place it on a new "MediaWiki:PageName.css" page and then import that page in one of the other two previously mentioned. However, if you are unfamiliar with CSS, this third option probably isn't worth the effort.

The CSS you will want to use will be something along the lines of this. It should produce something similar to this. Some Level 2 Header - Edit:

You can do more than just change the color. Here is an example where you can make the headers have rounded corners. This is what it would look like if you applied the CSS from that thread. Some Other Level 2 Header