Moved default link styling to mixin.
Added spaces between property/value pairs in icons/widgets, removed reference to nonexistent animation spin.
Moved widget icons to the left by default.
Added @media query to fix icons and text overlapping in the widget bar.
Added @media queries to remove icons at given widths.
Merge branch 'feature/icon-message' into develop

Conflicts:
	custom.css
	custom.css.map