.container{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    grid-gap: 5px;
    grid-auto-flow: dense;
}
.container img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.horizontal{
    grid-column: auto / span 2;
}
.vertical{
    grid-row: auto / span 2;
}
.normal{
    grid-row: auto / span 1;
    grid-column: auto / span 1;
}