| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <div style="width: 20px; height: auto;"> | |
| <div style="margin-bottom: 1px; width: 20px; height: 20px;"> | |
| <div style="margin-bottom: 5px; width: 20px; height: 20px;"> | |
| <div style="margin-bottom: 10px; width: 20px; height: 20px;"> | |
| <div style="margin-bottom: 20px; width: 20px; height: 20px;"></div> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <div style="margin-top: 10px; width: 20px; height: 20px;"></div> | |
| </body> | |
| </html> |