| 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 (0,0) size 0x0 |
| layer at (8,8) size 373x120 |
| RenderInline {SPAN} at (0,0) size 373x120 [bgcolor=#808080] |
| RenderText {#text} at (75,22) size 298x28 |
| text run at (75,22) width 298: "This content should be masked" |
| RenderBR {BR} at (372,0) size 1x28 |
| RenderText {#text} at (0,94) size 160x28 |
| text run at (0,94) width 160: "with a soft glow." |