| rootWebArea location=(0, 0) scrollX=0 scrollY=0 |
| ++div location=(0, 0) size=(300, 150) |
| ++++button location=(25, 25) size=(250, 50) name='Button' |
| ++div location=(0, 150) size=(300, 150) |
| ++++button location=(25, 175) size=(250, 50) name='Button' |
| ++div location=(0, 300) size=(300, 150) |
| ++++iframe location=(0, 300) size=(300, 100) |
| ++++++rootWebArea location=(0, 0) size=(300, 100) scrollX=0 scrollY=0 |
| ++++++++div location=(0, 0) size=(300, 100) |
| ++++++++++button location=(25, 25) size=(250, 50) name='Ordinary Button' |
| ++div location=(0, 450) size=(300, 150) |
| ++++iframe location=(0, 450) size=(150, 50) |
| ++++++rootWebArea location=(0, 0) size=(300, 100) scrollX=150 scrollY=50 |
| ++++++++div location=(0, 0) size=(300, 100) |
| ++++++++++button location=(25, 25) size=(250, 50) name='Scrolled Button' |
