Padding on mobile

I installed page builder into the site and on the mobile version the padding has gone. How can I create padding to the left and right on the mobile version as text is right on the edge of the screen.

Before i installed pagebuilder:
http://s579117298.websitehome.co.uk/product/zlite-folding-exam-table/

After pagebuilder
http://www.schoolfurnitureoffers.com/product/zlite-folding-exam-table/