.preloader {
    width: 100%;
    height: 100%;
    margin: auto;
    align-items: center;
    justify-content: center;
    position: fixed;
    z-index: 99999;
    opacity: 1;
    display: block;
    background: rgb(235, 235, 235);
    animation-duration: 1s;
}

.loader {
    display: inline-block;
    width: 64px;
    height: 64px;
    position: absolute;
    top: calc(50% - 30px);
    left: calc(50% - 30px);
    border-radius: 50%;
    border: 3px solid #00a2ff18;
    border-top: 3px solid #00a2ff18;
    border-right: 3px solid #00a2ff18;
    border-bottom: 3px solid #0A369D;
    position: fixed;
    animation: spin .8s linear infinite;
    -webkit-animation: spin .8s ease-out linear infinite;
}



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

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