#gravapp-menu {
    scrollbar-width: thin;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
}

#gravapp-menu::-webkit-scrollbar {
    height: 6px;
}

#gravapp-menu::-webkit-scrollbar-thumb {
    border-radius: 3px;
}

/* Optionally hide default scrollbar if using custom dots/indicator */
/*
#gravapp-menu::-webkit-scrollbar {
    display: none;
}
*/