+// Define masks for modifiers
+#define MODS_SHIFT_MASK (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))
+#define MODS_CTRL_MASK (MOD_BIT(KC_LCTL)|MOD_BIT(KC_RCTRL))
+#define MODS_ALT_MASK (MOD_BIT(KC_LALT)|MOD_BIT(KC_RALT))
+#define MODS_GUI_MASK (MOD_BIT(KC_LGUI)|MOD_BIT(KC_RGUI))
+