/* Style #1 */
.loading {
    display: flex;
    justify-content: center;
}

.loading--full-height {
    align-items: center;
    height: 100%;
}

.loading::after {
    content: "";
    width: 100px;
    height: 100px;
    border: 20px solid #dddddd;
    border-top-color: #111;
    border-radius: 50%;
    transform: rotate(0.16turn);
    animation: loading 1s linear infinite;
}

@keyframes loading {
    /* Safari support */
    from {
        transform: rotate(0turn);
    }

    to {
        transform: rotate(1turn);
    }
}