Fixed error in older piece of code

- Unnecessary a-element
First version, looks good
Add padding for sub items
Mobile optimizations
Fixed minor issue

- Adding margin-bottom to mobile made desktop look funny
Some cleanup
Fixes issue: Too thin global header border

- display: inline-block made the avatar image to be too big. Too big
  image made the border thinner
Minor fixes
Filters button in mobile view
Add JS to open/close filters
More room to "Filters" button

- Width 50%/50% prevents text from being cutted
- Fix issue with button group icons not being centered
Fix merge error