.as-paging-scroller {
    --content-width: 0;
    --content-estimate-height: 0;
    background: gray;
    overflow-y: auto;
    position: relative;
}

.as-paging-scroller::before {
    display: block;
    content: "";
    width: var(--content-width);
    height: var(--content-estimate-height);
}