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| 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 |
| layer at (10,10) size 200x200 |
| RenderBlock (positioned) {DIV} at (10,10) size 200x200 [bgcolor=#0000FF] |
| layer at (20,20) size 180x180 |
| RenderBlock (positioned) {DIV} at (10,10) size 180x180 [bgcolor=#00FF00] |
| layer at (30,30) size 160x160 |
| RenderBlock (positioned) {DIV} at (10,10) size 160x160 [bgcolor=#FF0000] |
| RenderText {#text} at (0,0) size 154x18 |
| text run at (0,0) width 154: "Should not see this text." |
| RenderText {#text} at (0,0) size 0x0 |
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| RenderBlock (positioned) {DIV} at (10,10) size 140x140 [bgcolor=#FFFFFF] |
| RenderText {#text} at (0,0) size 122x36 |
| text run at (0,0) width 122: "Should not see this" |
| text run at (0,18) width 28: "text." |
| layer at (100,100) size 200x200 |
| RenderBlock (positioned) {DIV} at (80,80) size 200x200 [bgcolor=#FFFF00] |
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| text run at (0,0) width 782: "Below are four boxes all within each other, and a box overlaping other boxes. The 3rd inner box is red, and has an opacity" |
| text run at (0,18) width 765: "of zero, and the box within it is black and has an opacity of 0.5. As the third box has opacity zero, the inner black is not" |
| text run at (0,36) width 684: "visible. The yellow block has opacity of 0.5, and is as the same level in the DOM tree as the 3rd inner box." |