Rewrote base, tips, back-to-top and footer section stylings.
Rewrote header section styling. Also, updated the styleguide.
Profile-options styling rewritten mostly. Some part is yet missing though.
Refined the previously written profile-options styling, mainly the screen-dependant positioning and sizing.
Rewrote player section styling.
Rewrote playlist menu part of the playlist section.
Rewrote playlist part of the playlist section.
Rewrote search section style.
Fixed header styling.
Fixed small stylings.
Fixed everything that broke due to Sass refactoring. Sass refactoring is ready now.
Merge branch 'rewrite-css-in-scss'

I rewrote the styling using the Scss syntax of Sass.