.loading-page {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background-color: #0003;
    overflow: hidden;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}
    

.loader {
    position: relative;
    width: 10rem;
    height: 10rem;
}

.double-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 10rem;
    height: 10rem;
    margin: 0 auto;
    border-radius: 100%;
    background-color: #0071BB;
    opacity: .4;
    animation: double-pulse 1.5s infinite ease-out;

} 
.double-pulse:nth-of-type(2) {
    animation-delay: -350ms;
}

@keyframes double-pulse {
    0% {
        transform: scale(0);
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}