.modal-loading {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.modal-loading .dots span {
    position: absolute;
    height: 10px;
    width: 10px;
    background: #FFF;
    border-radius: 50%;
    transform: rotate(calc(var(--i) * 24deg)) translateY(35px);
    animation: modalLoading 1.5s linear infinite;
    animation-delay: calc(var(--i) * 0.1s);
    opacity: 0;
}

@keyframes modalLoading {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}