Palette
  [ ("interface"
    , ( Circle { shapeStyle = ShapeStyle
                                               { styleStrokeWidth = 2
                                               , styleStrokeColour = RGB 255 255 255
                                               , styleFill = RGB 255 255 255
                                               }
                             , shapeRadius = 0.25
                             }
      , Just [("interface", DoublePoint 0.0 0.25)]
      , Just [] ))
  ]