| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <style> | |
| html, body { | |
| margin: 0; | |
| width: 100%; | |
| height: 100%; | |
| } | |
| .tall { | |
| height: 4000px; | |
| } | |
| header { | |
| position: fixed; | |
| top: 0; | |
| left: 0; | |
| width: 100%; | |
| height: 100px; | |
| background: tomato; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <header></header> | |
| <p>Hello world</p> | |
| <div class="tall"></div> | |
| </body> | |
| </html> |