adding global background color, fixing #65
adding global background color, fixing #65

althio/learnosm,feyeandal/test,jmarlena/learnosm,furaidochikin/learnosm,althio/learnosm,jmarlena/learnosm,jmarlena/learnosm,Anwaario/Nick-Tallguy.github.io,althio/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,Nick-Tallguy/Nick-Tallguy.github.io,hotosm/learnosm,hotosm/learnosm,feyeandal/test,jmarlena/learnosm-ux-staging-site,osmlab/teachosm,hotosm/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,feyeandal/test,hotosm/learnosm,jmarlena/learnosm-ux-staging-site,osmlab/teachosm,feyeandal/test,furaidochikin/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,Nick-Tallguy/Nick-Tallguy.github.io,furaidochikin/learnosm,Anwaario/Nick-Tallguy.github.io,furaidochikin/learnosm,jmarlena/learnosm-ux-staging-site,Anwaario/Nick-Tallguy.github.io,jmarlena/learnosm-ux-staging-site,jmarlena/learnosm,Anwaario/Nick-Tallguy.github.io,althio/learnosm