I think you're vastly overstating the impact here. I don't agree that they look as bad as you say.
But if you want to fix it, the Ubuntu themes are the correct place. Look for "separator" in Ambiance/gtk-3.20 and Radiance/gtk-3.20. Reassigning. ** Package changed: nautilus (Ubuntu) => ubuntu-themes (Ubuntu) ** Changed in: ubuntu-themes (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1635806 Title: dividers in rightclick menu are overpowering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-themes/+bug/1635806/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs