| layer at (0,0) size 800x600 | |
| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x600 | |
| RenderBlock {HTML} at (0,0) size 800x600 | |
| RenderBody {BODY} at (8,8) size 784x584 | |
| RenderText {#text} at (20,2) size 500x19 | |
| text run at (20,2) width 500: " This checkbox should look 50% transparent and should be in the mixed state." | |
| RenderText {#text} at (0,0) size 0x0 | |
| layer at (10,11) size 16x16 | |
| RenderBlock {INPUT} at (2,3) size 16x16 [bgcolor=#000000CC] |