.gen-livechat-scroll {
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: #adb5bd transparent;
}
.bg-dark .gen-livechat-scroll { scrollbar-color: #495057 transparent; }
.gen-livechat-scroll::-webkit-scrollbar { width: 6px; }
.gen-livechat-scroll::-webkit-scrollbar-track { background: transparent; }
.gen-livechat-scroll::-webkit-scrollbar-thumb { background: #adb5bd; border-radius: 8px; }
.bg-dark .gen-livechat-scroll::-webkit-scrollbar-thumb { background: #495057; }
.gen-livechat-scroll::-webkit-scrollbar-thumb:hover { background: #6c757d; }
.gen-livechat-scroll::-webkit-scrollbar-button { display: none; height: 0; }
@supports selector(::-webkit-scrollbar) {
    .gen-livechat-scroll, .bg-dark .gen-livechat-scroll { scrollbar-width: auto; scrollbar-color: auto; }
}