Board Thread:Support Requests - Getting Technical/@comment-26180812-20180826204923/@comment-9605025-20180826211007

The customization policy is more concerned with what you do, not how you do it. If it is against the policy to change the title font, any method of doing so would be against the policy. Like I said though, the help page doesn't seem to be too clear on this matter. You might want to ask using Special:Contact/general so that you can get a response from a staff member.