.custom-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

.page-inner-content-gallery {
    display: flex;
    flex-direction: column;
}

.page-inner-content-gallery .gallery-item {
    height: 275px;
    cursor: pointer;
    position: relative;
}

.page-inner-content-gallery .gallery-item:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    background-color: rgba(0,0,0,.2);
    transition: 0.3s all ease-in-out;
    top: 0;
    left: 0;
}

.page-inner-content-gallery .gallery-item:hover:before {
    opacity: 1;
}

.page-inner-content-gallery .gallery-item img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}


@media(max-width: 575px) {
    .page-inner-content-gallery .gallery-item {
        height: auto
    }

    .custom-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }
}