| <!DOCTYPE html> | |
| <style> | |
| thead { break-inside: avoid; } | |
| td { border: 1px solid black; padding: 5px; } | |
| table { border-spacing: 0; } | |
| </style> | |
| <div style="columns: 2"> | |
| <table> | |
| <thead> | |
| <tr><td> | |
| <table> | |
| <thead><tr><td>Inner</td></tr></thead> | |
| <tr><td style="height: 100px"></td></tr> | |
| </table> | |
| </td></tr> | |
| </thead> | |
| <tr><td style="height: 400px"></td></tr> | |
| <tr><td style="height: 400px"></td></tr> | |
| </table> | |
| </div> |