| <html> | |
| <head> | |
| <style> | |
| div { | |
| width: 200px; | |
| height: 200px; | |
| } | |
| span { | |
| position: absolute; | |
| opacity: 0; | |
| } | |
| .child { | |
| opacity: 0.7; | |
| background: green; | |
| } | |
| .container { | |
| opacity: 0.7; | |
| } | |
| body > div { | |
| opacity: 0.7; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div><span></span> | |
| <div class="container"><span></span> | |
| <div class="child"><span></span></div> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |