.cell {
    padding: 1rem;
}

.cells {
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

@media (min-width: 992px) {
    .cells { 
        grid-template-columns: repeat(2, 1fr);
    }

    .image-slide.s1 {
        background-size: cover;
        height: 800px;
    }
}