Fixed hover color

app/src/main/res/color-v23/selector_overlay.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-	<item android:alpha="0.2" android:color="?attr/colorPrimaryInverse" />
+	<item android:alpha="0.27" android:color="@color/kotatsu_onSurface" />
 </selector>

app/src/main/res/color/selector_overlay.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
 	<!-- https://stackoverflow.com/questions/54685474/theme-attributes-in-color-selector-for-api-22 -->
-	<item android:alpha="0.2" android:color="@color/kotatsu_inversePrimary" />
+	<item android:alpha="0.27" android:color="@color/kotatsu_onSurface" />
 </selector>