| <!DOCTYPE html> | |
| <div style="width: 200px; height: 200px; background-color: lightgreen"></div> | |
| <div style="position: relative; top: -50px; left: 50px; width: 200px; height: 200px; background-color: blue"> | |
| <div id="child" style="background-color: green; width: 100px; height: 100px;"></div> | |
| </div> |