Hi @NoBL yes i can help you with this, I am designer and developer.
NOTE: add this code on footer.liquid file At the bottom of section.
here is code
@media (max-width: 749px) { .grid .footer-block.grid__item { margin: 0; } .grid .footer-block__heading { position: relative; margin: 0; padding: 1.5rem 0; cursor: pointer; } .grid .footer-block__heading::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 20px; text-align: center; } .grid .footer-block__heading:not(.block-collapsed)::after { content: "-"; } .grid .footer-block__heading.block-collapsed + .footer-block__details-content { visibility: hidden; opacity: 0; height: 0; margin: 0; padding: 0; transition: all .2s ease-out; overflow: hidden; } .grid .footer-block__heading + .footer-block__details-content { visibility: visible; opacity: 1; height: auto; transition: all .2s ease-out; overflow: hidden; margin-bottom: 3rem; } }Thanks And Regards