Should be possible with a CSS snippet. I think some themes have an option for it.
The “Subtler code folding arrows” section in Meta Post - Common CSS Hacks - #10 by rsdimitrov might help with what to target if it’s not outdated.
Should be possible with a CSS snippet. I think some themes have an option for it.
The “Subtler code folding arrows” section in Meta Post - Common CSS Hacks - #10 by rsdimitrov might help with what to target if it’s not outdated.