Board Thread:Support Requests - Getting Technical/@comment-33878615-20160804082504

How do I change the style of headings using a div class?

I use this to change the heading style on a wiki:

I want to have a different colour in a a specific template using a div class, so I tried using this:

This, however, did not work. I also tried using.

I’d really appreciate some help with this. Thanks in advance. 