hide footer code not working

Site URL: http://www.travisvoice.com/voip-landing-page

im trying to hide the footer on my landing page. i clicked the gear for the page, clicked adanved, and injected this code, but the footer is still visible. help 

I tried

<style>
  #header { display: none }
  #footer { display: none !important; }
</style>

AND

<style>
  #header { display: none }
  #footer { display: none }
</style>

@agmantia

try this instead

 

footer {
	display: none !important;
}