How do I make a one-column gallery on the mobile version?

Hi! 
I have 2 column gallery on my site on PC version, but for mobile version I want to make one column gallery. How can I do it with CSS?
Tell me please.

Hi,

Can you share link to gallery?

4 hours ago, tuanphan said:

Hi,

Can you share link to gallery?

Hi,of course

oliviaprotea.com

On 6/19/2023 at 6:28 PM, Molekula said:

Hi,of course

oliviaprotea.com

Add to Design > Custom CSS

/* Masonry one item on mobile */
@media screen and (max-width:767px) {
.gallery-masonry-item-wrapper {
height: auto !important;
margin-bottom: 30px !important;
}
figure.gallery-masonry-item {
position: relative !important;
width: 100% !important;
transform: unset !important;
}
.gallery-masonry-item-wrapper {
height: auto !important;
}
.gallery-masonry .gallery-masonry-item[data-loaded] img {
width: 100% !important;
}
.gallery-masonry {
padding-left: 10 !important;
padding-right: 10 !important;
}
/* new code */
.gallery-masonry-wrapper.gallery-masonry-list--ready {
    height: auto !important;
}}