To share your page on Facebook, add the Facebook social share icon to the canvas. You will find it in the 'Add Elements' panel on the left side in the Editor.
Changing the Facebook Share icon.

You can change the icon by simple replacing it with the icon of your choice:
  • select the 'Facebook share' element
  • go into the 'Style' settings
  • Select 'Background Image'
  • Upload your icon and save

Facebook Sharing