Too much space on right side of mobile site

Hello! 

I have created a new page for my site but when I edit in mobile, there is a gap on the right side and so everything is shifted over. Is there a way to fix this with formatting?

Thanks,

Johanna

Can you share site url? We can check problem easier.

Yes, here is the URL: https://www.threadcaravan.com/book-a-trip

You try this CSS to Website Tools > Custom CSS

@media screen and (max-width:767px) {
.fluid-engine {
    column-gap: 5px !important;
}
}