Cleanup by hardcoding background image.
Show full background image and move content down under heading.
Show background on iOS as well.
Fix spelling error.
Make background fixed on iOS.
Move content down as page gets thinner so it won't overlap heading.
Add invitees to invitation.
Keep a separate list of invitees and attendees.
Make invitation form submission work.
Ensure only invited people attend.
Default to not checking any festivities.
Update invitation as per design.