| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 0; |
| } |
| .container { |
| position: relative; |
| z-index: 0; |
| margin: 50px; |
| width: 400px; |
| height: 320px; |
| overflow-y: scroll; |
| border: 30px solid gray; |
| box-shadow: 0 0 10px transparent; |
| padding: 20px; |
| } |
| |
| .inner { |
| position: relative; |
| height: 1000px; |
| width: 100%; |
| background-color: silver; |
| } |
| |
| .inner-fixed { |
| position: absolute; |
| top: 50px; |
| left: 100px; |
| width: 200px; |
| height: 150px; |
| background-color: green; |
| box-shadow: 0 0 10px transparent; |
| will-change: transform; |
| } |
| |
| .placeholder { |
| position: absolute; |
| background-color: red; |
| top: 50px; |
| left: 100px; |
| width: 200px; |
| height: 148px; |
| } |
| |
| .scrollbar-hider { |
| position: absolute; |
| height: 380px; |
| width: 37px; |
| top: 70px; |
| left: 484px; |
| background-color: black; |
| } |
| </style> |
| </head> |
| <body> |
| |
| <div id="scroller" class="container"> |
| <div class="inner"> |
| |
| <div class="placeholder"></div> |
| <div class="inner-fixed"></div> |
| </div> |
| </div> |
| <div class="scrollbar-hider"></div> |
| |
| </body> |
| </html> |
