.modal {
    display: none; 
    position: fixed; 
    z-index: 1; 
    left: 0;
    top: 0;
    width: 10%; 
    height: 10%; 
    background-color: rgba(250, 250, 250, 0); 
    margin: 15% auto; /* 15% from the top and centered */
    padding: 20px;
}

.fa-spinner{
    width: 100%;
    height: 100%;
    margin: 0 auto;
    display: table;
}