UI: Sidebar collapse
Improve the collapse function of the sidebar:
- Collapse "button" should be full width, there is now a margin on the right-hand side
- Align "Collapse" text and the icon
- Make it larger (same size as Apply filters?)
- Give the collapse section a default background color (pick any, we'll change later)
When collapsed
- Hide contents of sidebar when collapsed (will be just a blank white strip)
Odd filters behavior in md size
The filters don't show up (by default) when on md-size screen: