| <!DOCTYPE html> | |
| <body> | |
| <section> | |
| <div>1</div> | |
| <span>2</span> | |
| <div class="before">3</div> | |
| </section> | |
| <section> | |
| <span>2</span> | |
| <div class="before">3</div> | |
| <div>4</div> | |
| </section> | |
| <section style="columns: 1"> | |
| <div>1</div> | |
| <span>2</span> | |
| <div class="before">3</div> | |
| </section> | |
| </body> |