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<html><head><style>table, td, th { border: 1px solid; padding: 10px;}th { writing-mode: vertical-lr; text-orientation: upright;}table { width: 200px; border-collapse: collapse;}</style></head><body><h2>Let the table headers show vertical text with upright characters.</h2><table> <tr> <th>Firstname</th> <th>Lastname</th> </tr> <tr> <td>Peter</td> <td>Griffin</td> </tr> <tr> <td>Lois</td> <td>Griffin</td> </tr></table></body></html>