Iterate on site with embedded video

[conorgil]

Committing for Jeanine.

• Fix ugly/broken CSS that Conor did yesterday :)
• Update copy
• Add proper nav bar
• Add CTA to register to vote

[conorgil]

@kat3l1bby, I ran this locally and the video does not play. I have not debugged it, but wanted to flag for you to poke at.