set footer class to text-center in blog.html and post.html
added a blogroll link class to the blogroll in blog.html
added the cool hover effect to the email link
reformatted the fiooter in contact.html
centered the footer in index.html
added a footer margin bottom to _footer.scss
added a blogroll link class styling to _main.scss
added styling for headings in _post.scss
added styling for a back arrow for post.html  in _post.scss
new build of main.min.css