#loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 4px solid #f3f3f3; /* Light gray border */
    border-top: 4px solid #3498db; /* Blue top border */
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite; /* Animation properties */
    z-index: 9999;
}

#content {
    /* Your content styles */
    filter: blur(0); /* Initial state with no blur effect */
    transition: filter 0.3s ease; /* Smooth transition for the blur effect */
}

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