Full bleed sections on gallery block home page

Site URL: https://www.nowthenjon.com/

Does anyone know how to remove the border around my gallery blocks on the homepage?

I'd like this page to be consistent with all others and have full bleed images whether it's one column or more, but the template sits them in from the screen edge and there seems to be no option to expand these?

Thanks in advance

J

Add to Home > Design > Custom CSS

.homepage div#gridThumbs {
    padding-left: 0;
    padding-right: 0;
}