#loadpage{
    background: black;
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: 11;
}
#loader {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #3498db; /* Blue */
    border-radius: 50%;
    margin: 25% auto;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
    z-index: 12;
}

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