remobe box shadow from breadcrumb in desktop view
fix error in footer partial reference on post layout
commit development & production copies of main stylesheet
commit development & production copies of main stylesheet
create "footer-class" for <footer> (see msg)

-create "footer-class" as a styling hook for the footer tag.
-place it in "_includes/footer_partial.html".
-add "background-color" property to the class in "grunt/cssSource/_base.scss".
-define color with a Sass variable in "grunt/cssSource/_base.scss".
-update footer bg color in "grunt/cssSource/_base.scss" also.
whitespace cleanup on grunt/cssSource/_globalStyles.scss
commit development & production copies of main stylesheet
add 'footer-class' to desktop view (see msg)

-add 'footer-class' to the <footer> on desktop view & give it a box-shadow.
-adjust box shadow globally.