use before and after content to style overlay
fix leave referencing the incorrect element
set z index and position of element so that it is above the overlay
build
add gulp bump
bump version
Merge branch 'hotfix/0.1.9' into develop

* hotfix/0.1.9:
  bump version
  add gulp bump
  build
  set z index and position of element so that it is above the overlay
  fix leave referencing the incorrect element
  use before and after content to style overlay