New tabs UI

I like the cleanliness of the new UI at the bottom. It also means it's much clearer to everyone about the recent mentions and searching and I feel it will make my life easier as a moderator. However, the part that annoys me is my profile picture is darkened. It feels out of place and just doesn't fit. All the other four icons, go from grey to white, that's fine. But the profile icon doesn't chance color, it just get brighter/darker. Instead, I'd suggest that the profile gains a small white ring around it when selected. This means that profile pictures don't get darkened, and it also fits better with the rest of the ui.