.spinner {
    margin: -40px auto 0;
    font-size: 5px;
    z-index: 1000;
    position: fixed;
    text-indent: -9999em;
    border-top: 1em solid rgba(0, 0, 0, 0.2);
    border-right: 1em solid rgba(0, 0, 0, 0.2);
    border-bottom: 1em solid rgba(0, 0, 0, 0.2);
    border-left: 1em solid #109dd9;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-animation: load8 1.1s infinite linear;
    animation: load8 1.1s infinite linear;
}
.spinner,
.spinner:after {
    border-radius: 50%;
    width: 18em;
    height: 18em;
    top: 50%;
    left: 50%;
    margin-top: -9em;
    margin-left: -9em;
}

@-webkit-keyframes load8 {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes load8 {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}