| <!DOCTYPE html> |
| <!-- |
| | A bounding box is [...] the border box. |
| | https://www.w3.org/TR/css3-transforms/#bounding-box |
| --> |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 0; |
| } |
| .original, |
| .transformed { |
| background-color: #00b0ff; |
| height: 100px; |
| margin: 100px 0 0 100px; |
| border-color: #0091ea; |
| border-width: 100px 0 0 100px; |
| border-style: solid; |
| position: absolute; |
| width: 100px; |
| } |
| .original { |
| opacity: 0.1; |
| } |
| .transformed { |
| transform: rotate(45deg); |
| } |
| </style> |
| </head> |
| <body> |
| <div class="original"></div> |
| <div class="transformed"></div> |
| </body> |
| </html> |