| <body style="-webkit-writing-mode: vertical-lr"> |
| <div style="inline-size: 600px; margin-block-end:50px"> |
| <span style="padding-inline-start: 15px; padding-inline-end:15px; padding-block-start:5px; padding-block-end: 5px; font-size: 48px; background-color:blue"> |
| <span style=" |
| padding-inline-start: 15px; padding-inline-end:15px; |
| font-size: 48px; |
| background-color: lightyellow; |
| -webkit-border-radius: 10px; |
| border: 5px solid green; |
| line-height: 1.5; |
| "> |
| This sentence is too long to fit on a single line. |
| </span></span> |
| </div> |
