qmk_firmware/users/drashna/rgb/rgblight_config.h

// Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#define RGBLIGHT_SLEEP
#define RGBLIGHT_EFFECT_TWINKLE_LIFE 250
#define RGBLIGHT_EFFECT_TWINKLE_PROBABILITY 1 / 24

#ifdef RGBLIGHT_DEFAULT_MODE
#    undef RGBLIGHT_DEFAULT_MODE
#endif