#overlay {
    background: #e5e5e552;
    color: #666666;
    position: fixed;
    height: 100%;
    width: 100%;
    z-index: 5000;
    top: 0;
    left: 0;
    float: left;
    text-align: center;
    opacity: .80;
}
.spinner {
margin: 0 auto;
height: 64px;
width: 64px;
animation: rotate 0.8s infinite linear;
border: 6px solid #0792e2;
border-right-color: transparent;
border-radius: 50%;
position:absolute;
top:50%;
left:50%;
margin:-32px 0 0 -32px;
}
@keyframes rotate {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}