Markdown is all one color

Here's this repo's README in everforest-zed:
<img width="1273" alt="image" src="https://github.com/user-attachments/assets/b39b5601-923f-4ffc-b8f0-ff763ddd4c58">

And in one dark: 
<img width="1273" alt="image" src="https://github.com/user-attachments/assets/d61f14fb-28fd-423d-800a-261a84804286">
