+layer at (8,8) size 37x119 clip at (9,9) size 20x117
+ RenderListBox {SELECT} at (0,0) size 37x119 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
+ RenderBlock {OPTION} at (1,1) size 20x13
+ RenderText {#text} at (2,0) size 16x12
+ text run at (2,0) width 16: "test"