#avatar_form div#preview {
    flex: 1 1 20%;
    text-align: center;
    padding-top: 2rem;
}

#avatar_form input[type=file] {
    max-width: 200px;
}

#avatar_form div#preview > div,
#avatar_form div#preview img {
    max-width: 250px;
    border-radius: 0.25rem;
    margin: 0 auto;
}