Merge pull request #28 from bwest87/new_css

Home page looks much nicer
changed id to class
added better html to tag view so links are more organized and putting in room for related tags
changed from id to class
started using @extend instead of direct call to mixin
changed to using classes that call the mixins (and then extending use of those classes elsewhere), rather than trying to set variables (which wasn't working)
added links css