:root {
    --z-index-behind: -1;
    --z-index-one: 1;
    --z-index-two: 2;
    --z-index-dropdown: 50;
    --z-index-navbar: 99;
    --z-index-scrollable-arrow: 100;
    --z-index-topbar: 101;
    --z-index-modal-overlay: 999;
    --z-index-modal: 1000;
    --z-index-pop-up-notification: 1001;
    --z-index-notifications-panel: 1005;
}