.processing {
    position: fixed;
    inset: 0;
    background: rgb(0 0 0 / 10%);
    z-index: 9000;

    display: flex;
    align-items: center;
    justify-content: center;
}

.processing-spin {
    --processing-spin-width: 80px;
    width: var(--processing-spin-width);
    height: var(--processing-spin-width);
    display: inline-block;
    position: relative;
}
.processing-spin::after,
.processing-spin::before {
    content: '';
    box-sizing: border-box;
    width: var(--processing-spin-width);
    height: var(--processing-spin-width);
    border-radius: 50%;
    border: 2px solid #FFF;
    position: absolute;
    left: 0;
    top: 0;
    animation: processing 2s linear infinite;
}
.processing-spin::after {
    animation-delay: 1s;
}