Restructured the signup pages to be contained within the same HTML document (using if/else statements based on the url path to decide what content to display)
Updated the layout and design of the About page
Added an "About us" link to the homepage
Added a link back to the homepage on all subpages
Updated the "tweet us" links within the new signup template so the content is correct for both
Changed the fonts and font sizes throughout the site
Updated the background colour of the tweet buttons and the homepage-link button
I have: