| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| #inspected { | |
| color: red; | |
| --variable: blue; | |
| background-color: var(--variable); | |
| animation-name: black; | |
| margin: 10px; | |
| background: url("red green blue.jpg"); | |
| --red: invalid; | |
| border-color: var(--red); | |
| } | |
| </style> | |
| <div id="inspected">Inspected div</div> |