diff --git a/app/src/main/kotlin/jackall/moncalc/Const.kt b/app/src/main/kotlin/jackall/moncalc/Const.kt
index d327068..316a126 100644
--- a/app/src/main/kotlin/jackall/moncalc/Const.kt
+++ b/app/src/main/kotlin/jackall/moncalc/Const.kt
@@ -8,5 +8,7 @@
         const val serviceChannelId = "mainService"
         const val notificationId = 1
         const val questDataVersion = 0
+        const val moveButtonActiveAlpha = 1.0f
+        const val moveButtonInactiveAlpha = 0.7f
     }
 }
\ No newline at end of file