bottom-sheet/dist/collection/components/bottom-sheet-screen/bottom-sheet-screen.css

Bottom Sheet implemented as a Vanilla Web Component

:host {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;

    z-index: calc(var(--sheet-z-index, 9) - 1);
    background-color: var(--sheet-screen-background, rgba(0,0,0,0.4));
}