Page - images columns , mobile style, Brine

Hello guys

I need help with this issue. 

On desktop screen I have 3 columns of images in my page - ARCHIVE  and that's fine but on mobile view I have one and would like to have two columns (one in this page). 

Is it possible to fix that? 

No link?

https://dorotaporebska.squarespace.com/config/website/pages

Difficult to change to 2 columns. You can consider 3 columns by adding this to Website > Website Tools > Custom CSS

@media screen and (max-width:767px) {
div#page-64ea1d251c4e8a417670979e .span-4 {
    width: 33.3333% !important;
    float: left !important;
}
}

Thanks!