| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .ref { background-color: oklch(0 0.2 45); border: 1px solid black; width: 200px; height: 200px; } | |
| </style> | |
| <body> | |
| <p>Test passes if you see a square border with a single color inside.</p> | |
| <div class="ref"></div> | |
| </body> |