more progress on level layout

Assets/Prefabs/tambourine.prefab

@@ -36,7 +36,7 @@ Transform:
   m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 1
+  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!212 &1383583972917023562
 SpriteRenderer:
@@ -315,7 +315,7 @@ BoxCollider2D:
   m_IsTrigger: 1
   m_UsedByEffector: 0
   m_UsedByComposite: 0
-  m_Offset: {x: 0, y: 0}
+  m_Offset: {x: 25, y: 25}
   m_SpriteTilingProperty:
     border: {x: 0, y: 0, z: 0, w: 0}
     pivot: {x: 0.5, y: 0.5}
@@ -326,5 +326,5 @@ BoxCollider2D:
     adaptiveTiling: 0
   m_AutoTiling: 0
   serializedVersion: 2
-  m_Size: {x: 100, y: 100}
+  m_Size: {x: 125, y: 125}
   m_EdgeRadius: 0