rename mixins
add custom color
add mixin for gray color
add warning highlight for input:invalid
add variables
add stylus and nib in devDependencies
update dependencies
update anger comment
add kludge till better times
better times has came
use understandable argument
use mixins
clean arguments
fix wrong property name
Merge branch 'feature/style-guide' into feature/auth-layout
add tasks in watch
extend mixins and global styles
add new elements