Portfolio page full width not possible on mobile?

Hello,

I am using Squarespace 7.1. 
Portfolio pages do not show full width images on mobile view, only on desktop.

See attached screenshots for your reference. As you can see, the gallery has margins at both sides on mobile view. Does anyone know how to force full-width view on mobile view?

Many thanks in advance!

On desktop there are no spaces on sides. I would like same look on mobile. 

Best,

Dorota.

Can you share your website URL and this page?

https://www.dorotaporebska.com

Add this to Custom CSS:

@media screen and (max-width: 767px) {
  .tweak-portfolio-grid-overlay-width-full .portfolio-grid-overlay {
    padding-left: 0vw;
    padding-right: 0vw;
  }
}

Amazing, thank you a lot!