.container {
    text-align: center;   /* centers inline elements like img */
    color: grey;
}

.img {
    display: inline-block; /* makes the wrapper behave like text */
    border-radius: 50%;
    overflow: hidden;
    width: 100px;
    height: 100px;
}

.img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}