.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.loader {
    border: 8px solid #f3f3f3;
    border-radius: 50%;
    border-top: 8px solid #2e5bbd;
    border-right: 8px solid white;
    border-bottom: 8px solid #2e5bbd;
    border-left: 8px solid white;
    width: 80px;
    height: 80px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

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

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

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

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