**Describe the bug** Bullseye duotone style is the same for both rings **Expected behavior** Should be able to change opacity or color of both rings. **Version and implementation** Version: 5.10.1 **Bug report checklist** - [x] I have filled out as much of the above information as I can - [ ] I have included a test case because my odds go _way_ up that the team can fix this when I do - [x] I have [searched for existing issues](https://github.com/FortAwesome/Font-Awesome/issues) and to the best of my knowledge this is not a duplicate