 {
    z-index: 10000;
    border: 8px solid #b5b5b5; /* Grey */
    border-top: 8px solid #3498db; /* Blue */
    border-bottom: 8px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 240px;
    height: 240px;
    animation: spin 2s linear infinite;
    display:none;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
</style>
<script>
if (typeof XMLHttpRequest === "undefined") {
  XMLHttpRequest = function () {
    try { return new ActiveXObject("Ms