| <!DOCTYPE html> | |
| <link rel="help" href="https://crbug.com/405795970"> | |
| <style> | |
| @keyframes --anim { | |
| from { | |
| width: calc(10px * sibling-index()); | |
| } | |
| to { | |
| width: calc(50px); | |
| } | |
| } | |
| #target { | |
| animation: --anim 2s; | |
| } | |
| </style> | |
| <p>Pass if no crash</p> | |
| <div id="target"></div> |