rocket-3d/templates/assets/css/test.css

img {
    width: 100vw;
    z-index: 0;
    grid-row: 1/25;
    grid-column: 1/25;
}

.container {
    display: grid;
    grid-template-columns: repeat(24, 1fr);
    grid-template-rows: repeat(24, 1fr);
}