| <!DOCTYPE html> |
| <style> |
| html { background: red; } |
| html:nth-child(1):nth-last-child(1):nth-of-type(1):nth-last-of-type(1):first-child:last-child:only-child:first-of-type:last-of-type:only-of-type { background: green; } |
| </style> |
| <link rel="help" href="https://www.w3.org/TR/css3-selectors/#structural-pseudos"> |
| <link rel="match" href="selector-structural-pseudo-root-ref.html"> |
| <meta name="assert" content="Structural pseudo-classes match the root element, sibling pseudos are based on siblings without needing a parent (Selectors 3 erratum)"> |