How to make custom styles show in Firefox

Hi, how can make custom style of my Divi site shows in Firefox? I've cleared cache but the styles (border image) for the Post Archives, Who We Are and Video Posts are not reflecting in Firefox but showing in Chrom. How can you aid me solve this? Spots I cant see on FF-screenshot: http://awesomescreenshot.com/0e648x306c
Url: http://deefrentng.com/queenelle