.vertical-gallery-grid-component {
    display: flex;
}

.vertical-gallery-grid-item {
    min-width: 33.33%;
    max-width: 33.33%;
    min-height: 100vh;
    max-height: 100vh;
    overflow: hidden;
    position: relative;
}

.vertical-gallery-grid-item img,
.vertical-gallery-grid-item video,
.vertical-gallery-grid-item iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border: 0;
}

@media (max-width: 992px) {
    .vertical-gallery-grid-component {
        flex-direction: column;
    }
    
    .vertical-gallery-grid-item {
        min-width: 100%;
        max-width: 100%;
        min-height: 60vh; 
        max-height: 60vh;
    }
}