|  | <!doctype html> | 
|  | <html> | 
|  | <head> | 
|  | <title>CSS Test (Conditional Rules): Negations in @supports should not work if "not" isn't follow by a space</title> | 
|  | <link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/"> | 
|  | <link rel="author" href="http://opera.com" title="Opera Software ASA"> | 
|  | <link rel="help" href="http://www.w3.org/TR/css3-conditional/#at-supports"> | 
|  | <link rel="match" href="at-supports-001-ref.html"> | 
|  | <meta name="flags" content="invalid"> | 
|  | <style> | 
|  | div { | 
|  | background-color:red; | 
|  | height:100px; | 
|  | width:100px; | 
|  | } | 
|  | @supports (width: 0) { | 
|  | div { background-color:green; } | 
|  | } | 
|  | @supports not(foo: baz) { | 
|  | div { background-color:red; } | 
|  | } | 
|  | </style> | 
|  | </head> | 
|  | <body> | 
|  | <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p> | 
|  | <div></div> | 
|  | </body> | 
|  | </html> |