| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>A green 100x100 block</title> | |
| <link rel="author" title="Xidorn Quan" href="me@upsuper.ort"> | |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org"> | |
| <div style="width: 100px; height: 100px; background: green;"></div> |