| <html> | |
| <head> | |
| <style> | |
| .block { width:100px; height:100px; margin:2em 1em; background-color:green } | |
| </style> | |
| <body> | |
| <div style="border:2px solid black"> | |
| <div style="-webkit-writing-mode:vertical-lr" class="block"></div> | |
| <div style="-webkit-writing-mode:vertical-rl" class="block"></div> | |
| <div style="-webkit-writing-mode:horizontal-bt" class="block"></div> | |
| <div class="block"></div> | |
| </div> | |
| </body> | |
| </html> |