[Bug]: Output of definition list title changing when using math

[atharvaaalok]

What happened, and what did you expect to happen?

I have the following behavior in jupyter-book: When I use the following form in definition list: Positive $r$ I get an output like:

But when I use: Positive r I get an output like:

Why does using math in the title change the color of the output?

What version of Jupyter Book are you running?

v2.0.0

What Operating System are you using?

Mac OS

Relevant log output

[rowanc1]

Thanks for the note. I will aim to fix this very soon.