#css-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    margin: -20px 0 0 -20px;
    border: 16px solid rgba(68, 68, 68, 0.5);

    /*border: 16px solid #585858;*/
    
    border-top: 16px solid #d70606;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1000;
    display: none; /* Initially hidden */
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}