https://github.com/Izheil/Quantum-Nox-Firefox-Dark-Full-Theme/tree/master/Multirow%20and%20other%20functions/Multirow%20tabs https://github.com/Izheil/Quantum-N

https://github.com/Izheil/Quantum-Nox-Firefox-Dark-Full-Theme/tree/master/Multirow%20and%20other%20functions/Multirow%20tabs https://github.com/Izheil/Quantum-Nox-Firefox-Dark-Full-Them... It's a little more work, but it's doable. It's been stable and surviving updates without needing maintenance for many months now.