If you are noticing a deformation in a signature on firefox , onion browser or any other browser,
please reply to this post with the browser name, and also the code of the signature, you can embed the signature in the post as well, and i'll check it out and see what needs to be fixed, and might implement signature code substitution forum wide if needed.
please reply to this thread, do not pm me
there is apparently no quick fix,
the signature code is often not optamised, missing closing tags and so on.
tested 2 signatures, the solution for both was to remove the link from the graphic element that is distorted :

