| <!doctype html> |
| <html> |
| <head> |
| <style> |
| * { |
| background-color: blue; |
| color: black; |
| border: 5px solid black; |
| } |
| html, body, p { |
| background-color: white; |
| color: black; |
| } |
| target { |
| background-color: green; |
| } |
| |
| /* The only dynamic selector that matches is "*". Every rules except the first one (* selector) should override the style defined here. |
| Background-color is defined by the two tag selectors above. |
| Color is defined below by the star rule. It has the same specificity but a higher position. |
| Border overrides the black border defined in the first rule. */ |
| :is(#foo, .bar, target.notthere, *, foo>bar) { |
| background-color: red; |
| color: blue; |
| border: none; |
| } |
| * { |
| color: white; |
| } |
| </style> |
| </head> |
| <body> |
| <p>This test the specificity of :is() with a dynamic specificity of zero. The test passes if the text "target" is displayed white on green background.</p> |
| <target>Target</target> |
| </body> |
| </html> |