| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| .flexbox { | |
| display: flex; | |
| } | |
| .flex-item { | |
| width: 50px; | |
| height: 50px; | |
| margin-top: 10px; | |
| background-color: green; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="flexbox"> | |
| <div id="flex-item" class="flex-item"></div> | |
| </div> | |
| </body> | |
| </html> |