Yuki theme changes only made to desktop version

Hi – I’m using Yuki to build a website and I’ve made lots of customisations to the pages. They are all starting to look how I want, but when I check the site on mobile it’s the original theme – why aren’t changes being copied to the mobile version?

Also – how do I give it a https:// so that it doesn’t give warnings to users?

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