| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 0; |
| height: 2000px; |
| overflow: hidden; /* hide scrollbars */ |
| font-family: 'Ahem'; |
| font-size: 25px; |
| line-height: 2; |
| } |
| |
| .group { |
| display: inline-block; |
| position: relative; |
| width: 220px; |
| height: 500px; |
| } |
| |
| .container { |
| width: 200px; |
| height: 400px; |
| outline: 2px solid black; |
| } |
| |
| .box { |
| width: 200px; |
| height: 200px; |
| } |
| |
| .sticky { |
| width: 200px; |
| height: 200px; |
| color: blue; |
| position: relative; |
| } |
| |
| .child { |
| position: absolute; |
| background-color: green; |
| top: 50px; |
| left: 50px; |
| height: 50px; |
| width: 50px; |
| } |
| |
| .indicator { |
| display: none; |
| position: absolute; |
| top: 250px; |
| left: 50px; |
| background-color: red; |
| } |
| </style> |
| </head> |
| <body> |
| <div class="group" style="top: -100px"> |
| <div class="indicator box"></div> |
| <div class="container"> |
| XXX <span class="sticky" style="top: 163px;">XXXX</br> |
| <div class="child box"></div> |
| XXXX</br>XXXX</br>XXXX</br>XXXX</span> XXX |
| </div> |
| </div> |
| <div class="group" style="top: 0"> |
| <div class="indicator box"></div> |
| <div class="container"> |
| XXX <span class="sticky" style="top: 88px;">XXXX</br> |
| <div class="child box"></div> |
| XXXX</br>XXXX</br>XXXX</br>XXXX</span> XXX |
| </div> |
| </div> |
| <div class="group" style="top: 100px"> |
| <div class="indicator box"></div> |
| <div class="container"> |
| XXX <span class="sticky" style="top: 0;">XXXX</br> |
| <div class="child box"></div> |
| XXXX</br>XXXX</br>XXXX</br>XXXX</span> XXX |
| </div> |
| </div> |
| |
| </body> |
| </html> |
