Arrange buttons so they are visible

Assets/Scenes/SimpleAR/SimpleAR.unity

   m_Father: {fileID: 948874508}
   m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0}
-  m_AnchorMax: {x: 0.5, y: 0}
-  m_AnchoredPosition: {x: 0, y: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 201, y: 0}
-  m_Pivot: {x: 0.5, y: 0}
+  m_Pivot: {x: 0, y: 0}
 --- !u!114 &1882240985
 MonoBehaviour:
   m_ObjectHideFlags: 0