Fix comment body in dark-mode

[jordikroon]

Currently in dark-mode. Text is not readable when a global CSS selector is set. E.g:

<style>
	li, p {
	  color: red;
	}
</style>

https://thephp.foundation/blog/2026/05/18/announcing-ecosystem-security-team/

[pronskiy]

Thanks @jordikroon!
I missed this PR (my bad) and fixed in 0fe1cbb.
There is still issuу with quoted text tho, so I'll add you as a co-author in that fix: