This indeed looks like a bug/design decision in Mousepad, instead of the theme.
The following URL *might* be useful in finding the fix we need: https://mail.gnome.org/archives/commits-list/2014-October/msg03101.html ** Changed in: mousepad (Ubuntu) Assignee: Pasi Lallinaho (knome) => (unassigned) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1508192 Title: Mousepad search highlights hard to see To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mousepad/+bug/1508192/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs