calStorage.setItem(localStorageKey, notificationContent)
    }

    function clearRead() {
        localStorage.removeItem(localStorageKey)
    }

    const alreadyRead = checkAlreadyRead()
    const permanentlyHidden = alreadyRead && bannerHiding == 'permanent'

    /*************************************************************************/
    // Updating a CSS variable so other elements adjust to the nav bar height.

    function updateNavbarHeight() {
        // Only update it if the delta is significan