.I{
    width: 100px;
    height: auto;
    object-fit: contain;
}

.II{
    width: 200px;
    height: auto;
    object-fit: contain;
}

.III{
    width: 50px;
    height: auto;
    object-fit: contain;
}

.IIII{
    width: 75px;
    height: auto;
    object-fit: contain;
}

.IIIII{
    width: 400px;
}