Becrux template responsive problem

Hi, i have a problem with becrux template on mobile.. in desktop it’s everything ok, but when i open page in iPhone i see more columns than in desktop.. 6 instead of 4, it’s strange.. can u help me?

on my desktop: https://i.postimg.cc/J1KJq9yx/Zrzut-ekranu-2019-03-27-o-00-25-21.png

on my iPhone 7: https://youtu.be/nvduFz4-M0o

and also i want stretch column to 100% on mobile, now show me 2 columns in a row, i want 1, like in rainbow template

like this: https://i.postimg.cc/wBxNzkrD/IMG-1421.png

The page I need help with: [log in to see the link]