| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body, html { | |
| height: 100%; | |
| margin: 0; | |
| position: fixed; | |
| top: -200px; | |
| } | |
| .section { | |
| height: 2000px; | |
| } | |
| .overlay { | |
| position: fixed; | |
| left: 0; | |
| top: 0; | |
| width: 400px; | |
| height: 100px; | |
| background-color: blue; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="section"></div> | |
| <div class="overlay"></div> | |
| </body> | |
| </html> | |