.page-loader {
    border: 16px solid #ff9933;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 90px;
    height: 90px;
    -webkit-animation: spin 2s linear infinite; /* Safari */
    animation: spin 2s linear infinite;
    margin: auto;
    margin-top: 20%;
}


.page-loading {
    background: rgba(0,0,0,0.3);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    z-index:100
}
    .page-loading.hide {
        display:none;
    }
    /* Safari */
    @-webkit-keyframes spin {
        0% {
        -webkit-transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
    }
}

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

    100% {
        transform: rotate(360deg);
    }
}