| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| margin: 0; | |
| } | |
| .container { | |
| width: 200px; | |
| height: 400px; | |
| outline: 2px solid black; | |
| } | |
| .box { | |
| width: 200px; | |
| height: 200px; | |
| } | |
| .sticky { | |
| position: sticky; | |
| } | |
| .child { | |
| position: relative; | |
| background-color: green; | |
| z-index: 2; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="group"> | |
| <div class="container"> | |
| <div class="sticky box"> | |
| <div class="child box"></div> | |
| </div> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |