| <!DOCTYPE html> | |
| <html> | |
| <script> | |
| internals.settings.setCSSVariablesEnabled(true); | |
| </script> | |
| <style> | |
| div { | |
| border-color: green; | |
| border-style: solid; | |
| border-width: -webkit-calc(-webkit-var(a) + 1px); | |
| -webkit-var-a: black; | |
| } | |
| </style> | |
| <div>This text should have the default border width</div> | |
| </html> |