.div_loader {
    border: 16px solid #f3f3f3; /* Light gray border */
    border-top: 16px solid #3498db; /* Blue border on top */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite; /* Apply animation */
    margin: 0 auto; /* Center the loader */
}

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

}