fix sign up form modal on landing page
fix sign up form modal on landing page

grantziolkowski/caravan,nyc-rock-doves-2015/caravan,bicyclethief/caravan,bicyclethief/caravan,nyc-rock-doves-2015/caravan,bicyclethief/caravan,grantziolkowski/caravan,grantziolkowski/caravan,nyc-rock-doves-2015/caravan