Remove html from master mixins.scss

Had additional class for rtl, and some changes where left in merge
conflict results
Removed typo errors prevent the transforming footer into mbile navbar
Corrected typo error in the footer's CSS
Merge pull request #1133 from nschonni/cherry-pick-1126-demo-fix

Removed typo errors prevent the transforming footer into mobile navbar
Merge pull request #1124 from nschonni/remove-html-from-mixins-scss-master

Move html elements from master mixins.scss
Merge pull request #1134 from nschonni/cherry-pick-1126-scss-class-typo

Corrected typo error in the footer's CSS
Merge remote-tracking branch 'upstream/master'
Fixed date-month class has white colour precedence on desktop view