| <!DOCTYPE html> |
| <!-- |
| Any copyright is dedicated to the Public Domain. |
| http://creativecommons.org/publicdomain/zero/1.0/ |
| --><html><head><title>CSS Test: Test declaring a variable whose value consists of a reference to a variable whose value is "unset".</title> |
| <link href="mailto:cam@mcc.id.au" rel="author" title="Cameron McCormack"> |
| <link href="http://www.w3.org/TR/css-variables-1/#defining-variables" rel="help"> |
| <link href="support/color-green-ref.htm" rel="match"> |
| <style> |
| body { |
| --b: green; |
| color: crimson; |
| } |
| p { |
| color: red; |
| } |
| p { |
| color: orange; |
| --a: var(--b); |
| --b: unset; |
| color: var(--a); |
| } |
| </style> |
| </head><body><p>This text must be green.</p> |
| </body></html> |
