| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Reference File</title> | |
| <link rel="author" title="Zhang Xiaochong" href="mailto:joy.xczhang@gmail.com"> | |
| <style type="text/css"> | |
| .container { | |
| position: relative; | |
| } | |
| .ref { | |
| background-color: green; | |
| height: 150px; | |
| position: absolute; | |
| width: 150px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <p>The test passes if there is a filled green square and no red.</p> | |
| <div class="container"> | |
| <div class="ref"></div> | |
| </div> | |
| </body> | |
| </html> |