#left
{
    height: 100%;
    background-color: black;
    display: flex;
    text-align: center; /* align horizontal */
    align-items: center; /* align vertical */
}

#right
{
    height: 100%;
    background-color: white;
    display: flex;
    text-align: center; /* align horizontal */
    align-items: center; /* align vertical */
}

img
{
    width: 40%;
}