- converted fonts and some measurements into pixels
- fix tabulations in the media queries. They were not aligned. One media query had surrounded several other media queries
- requests listing css moved from custom.css into request_listing.css
- moved all media queries in a separate file
- merge repeated media queries
- the margin between the footer and the footer's height set to pixels
- the margin is set for the main `#wrapper' instead of the `#wrapper #content'
- use a scss mixin for the media queries for the footer height