Gave labels a background darken transition
Applied font-smoothing to every single element
Fixed tiny buttons being unreadable due to antialiasing
Added a class for buttons with no bottom margin
Made most 'select' elements not full-width
Changed horizontal rule to appear more subtle
Fixed null user issue in competition show view
Added ability to update and destroy competitions
Fixed incorrect redirect on robot edit
Added ability to delete entries
Added categories to competitions

Not actually functional at this stage.
Cleaned up robot show view for mobile
Made descriptions stand out
Make use of 'enterable_robots' variable
Fixed layout bug with non-full-width select elements
Made simple changes to several views