| <!DOCTYPE html> | |
| <div style="position:relative; width:1px; height:1px; background:orange;"> | |
| <div style="position:absolute; left:450px; top:450px; width:100px; height:100px; background:blue;"></div> | |
| <div style="position:absolute; left:400px; top:400px; width:100px; height:100px; background:yellow;"></div> | |
| </div> |