| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>CSS Filter contrast: CSS contrast filter shotrhand</title> |
| <link rel="author" title="Takeshi Kurosawa" href="mailto:taken.spc@gmail.com"> |
| <link rel="reviewer" title="Dirk Schulze" href="mailto:dschulze@adobe.com"> |
| <link rel="help" href="http://www.w3.org/TR/filter-effects-1/#FilterProperty"> |
| <link rel="help" href="https://www.w3.org/TR/filter-effects-1/#funcdef-filter-contrast"> |
| <link rel="match" href="filter-contrast-002-ref.html"> |
| <meta name="flags" content=""> |
| <meta name="assert" content="CSS contrast filter will apply a component transfer to the div element to adjust the |
| contrast of the colors. Since contrast is 0%, it must be the completely gray."> |
| <style type="text/css"> |
| |
| div { |
| width: 200px; |
| height: 200px; |
| background-color: red; |
| filter: contrast(0%); |
| } |
| </style> |
| </head> |
| <body> |
| <p>The test passes if there is a gray box and no red.</p> |
| |
| <div></div> |
| </body> |
| </html> |
