Bug overview description.
Using the "Bloodlust" theme causes all header text formats to be the same size
What part(s) of the site page(s) are affected?
Website theme formatting
What is the expected behavior?
Text should be larger depending on what header is used: i.e

 This text should be much larger than

 this text

What actual behavior is given instead?
all text is the same size, regardless of header used
Can you reproduce the bug every time?
Yes.
What steps did you take to replicate this bug?
Set site theme to "Bloodlust"; view e621.net/help/show/dtext "Header" section

Can confirm that this seems to be true. :)

can

confirm

as

well

Edit: seems to make everything into h6 which is just bold as far as I can see.

Also tried other themes and it only seems to be bloodlust that has this bug.

confirmed here too, used chrome, edge and firefox if that helps anyone