| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Cascade: the "unset" value</title> |
| <link rel="author" title="Chris Rebert" href="http://chrisrebert.com"> |
| <link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"> |
| <link rel="help" href="http://www.w3.org/TR/css-cascade-3/#inherit-initial"> |
| <link rel="help" href="http://www.w3.org/TR/css-cascade-4/#inherit-initial"> |
| <link rel="match" href="reference/ref-filled-green-100px-square.xht"> |
| <meta name="flags" content=""> |
| <meta name="assert" content="color:unset is the same as color:inherit since color is an inherited property. background-color:unset is the same as background-color:initial since background-color is a non-inherited property."> |
| <style> |
| .square { |
| width: 100px; |
| height: 100px; |
| } |
| .under { |
| background-color: green; |
| margin-bottom: -100px; |
| } |
| .outer { |
| color: green; |
| background: red; |
| } |
| .inner { |
| color: red; |
| background-color: red; |
| font-size: 40px; |
| text-align: center; |
| } |
| .inner { |
| color: unset;/* inherit from .outer */ |
| background-color: unset;/* initial, transparent, .under shows thru */ |
| } |
| </style> |
| </head> |
| <body> |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| |
| <div class="outer square"> |
| <div class="under square"></div> |
| <div class="inner square">XX</div> |
| </div> |
| </body> |
| </html> |