ChatGPT code snippet looks awfuel

Am I the only one who thinks it's stupid that you can't modify the theme of the code snippet?
at least their is chrome extention like this one but still... Why is it not built in??
https://chromewebstore.google.com/detail/chatgpt-code-highlighter/fideanlgimnffbhocnkbdpmfngiccaho?hl=fr