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| RenderView at (0,0) size 800x600 |
| layer at (0,0) size 800x600 |
| RenderBlock {HTML} at (0,0) size 800x600 |
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| RenderText {#text} at (0,0) size 0x0 |
| layer at (8,8) size 375x118 |
| RenderInline {SPAN} at (0,0) size 375x118 [bgcolor=#808080] |
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| text run at (75,23) width 300: "This content should be masked" |
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| text run at (0,95) width 162: "with a soft glow." |