UX problem when clicking topic links in RTL languages

[MHMighani]

There is a UX problem When clicking on topic links in RTL languages. It's impossible to click and navigate unless you move the mouse cursor to the link's margin which I think is a bad user experience.
I have uploaded a GIF to show the problem.

As I inspected it, it seems like the before pseudo element's position is not handled correctly.
I can make a PR to fix it.

[iliakan]

Please make a PR if needed.