| <!DOCTYPE html> |
| <!-- |
| | If the element has "position: absolute", the containing block is established |
| | by the padding edge of the nearest ancestor with a "position" of "absolute". |
| | http://www.w3.org/TR/CSS21/visudet.html#containing-block-details |
| --> |
| <html> |
| <head> |
| <style> |
| .containing-block-with-padding { |
| position: absolute; |
| |
| width: 150px; |
| height: 150px; |
| |
| padding-top: 50px; |
| padding-left: 50px; |
| |
| background-color: rgb(100, 100, 255); |
| } |
| .stacking-context { |
| position: static; |
| |
| opacity: .9; |
| } |
| .absolute-element { |
| position: absolute; |
| |
| width: 100px; |
| height: 100px; |
| |
| background-color: rgb(255, 100, 100); |
| } |
| </style> |
| </head> |
| <body> |
| <div class="containing-block-with-padding"> |
| <div class="stacking-context"> |
| <div class="absolute-element"></div> |
| </div> |
| </div> |
| </body> |
| </html> |
