| <!DOCTYPE html> | |
| <div style="display:grid; position:relative; backface-visibility:hidden;"> | |
| <div style="z-index:-1; overflow:hidden; width:50px; height:50px; will-change:opacity;"> | |
| <div style="position:absolute; left:0; top:0; width:100px; height:100px; background:green; will-change:opacity;"></div> | |
| </div> | |
| </div> |