Use radial background for body.

calpoly/frontend/static/css/base.css, use
radial-gradient from gray to darker gray for
background-image.
Move sticky posts above 'Club News' section.

calpoly/frontend/static/css/pages/index.css,
calpoly/frontend/static/js/pages/index.js: remove whitespace
calpoly/frontend/templates/index.html: remove
whitespace and move the sticky div above the Club
News header.
Underline headers on the landing page.

calpoly/frontend/templates/index.html: Add <hr>
elements to each section on the website instead
of using <br>'s.