.flex-container, #frmAut {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    margin: 20px;
}
img{
    width: 64px;
    height: 48px;
    margin: 15px;
    border-radius: 10%;
    cursor: pointer;
    border: 1px solid gray;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
img:hover{
    box-shadow: 0 8px 12px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

#frmAut{
    flex-direction: column;
}

#frmAut input{
    font-size: 1.4em;
    border: 2px solid rgb(204, 204, 204);
    border-radius: 4px;
    padding: 7px;;
}