#overlay {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5); /* Black background with transparency */
    z-index: 9999; /* Sit on top */
    cursor: not-allowed; /* Change cursor to not-allowed */
}

.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 16px solid #A3A3A3; /* Light grey */
    border-top: 16px solid #881A51; /* Blue */
    border-radius: 50%;
    width: 25px;
    height: 25px;
    animation: spin 2s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}