editor flags become inline list and setup for custom CSS checkboxes
move editor styles to separate file and implement custom CSS checkbox using SVG tick icon.
nice big margins on navbar and editor. move mixins import to variables.
active states for "fully custom checkboxes"
switch buttons and sexy styles (no functionality)
move tester styles to separate file
fix tester styles indentation
black-shadow mixin simplifies box-shadows!
smooth-input mixin makes nice input styles reusable
pull .btn to global scope
begin tester styles - smooth input and blue button