rootWebArea pageLocation=(0, 0) scrollX=0 scrollXMin=0 scrollXMax=0 scrollY=0 scrollYMin=0 scrollYMax=0
++group pageLocation=(0, 0)
++++iframe pageLocation=(0, 0)
++++++rootWebArea pageLocation=(0, 0) transform scrollX=150 scrollXMin=0 scrollXMax=150 scrollY=50 scrollYMin=0 scrollYMax=50
++++++++div pageLocation=(-300, -100)
++++++++++button pageLocation=(-250, -50) pageSize=(500, 100) name='Scrolled Button'
