Text in blog is not readable in dark theme

[mrinmay7875]

If we open the below article the text is not readable in dark mode. It seems if we wrap a text with `` in the .mdx file then in dark mode that word font color remains black and that word is not readable in dark mode.
https://astro-ink.vercel.app/blog/markdoc-integration

Here is a screenshot of the issue.