make these compatible with IE8
Merge branch 'next' of https://github.com/tmwagency/kickoff into next

# By Zander Martineau (6) and Ashley Nolan (3)
# Via Ashley Nolan
* 'next' of https://github.com/tmwagency/kickoff:
  Moving table color variables into color pallette instead of variables
  Updating the breakpoint naming changes across files
  Changing the name of the breakpoint variables to bp for succinctness
  compile css
  commented-out the html5 :invalid:focus styles on inputs. Think they are not useful
  give bordered tables a slightly thicker outer border
  update comments style
  add text-selection mixin and use it
  move this file
rename normalize to reset to avoid confusion
improves horizontal scrollbar styling
makes <pre> code blocks horizontally scroll / blocks word wrapping