| <!DOCTYPE html> | |
| <style> | |
| div { | |
| position: absolute; | |
| width: 100px; | |
| height: 100px; | |
| } | |
| #test { | |
| background-color: red; | |
| -webkit-filter: opacity(0) url(#f); | |
| filter: opacity(0) url(#f); | |
| } | |
| </style> | |
| <div style="background-color: green"></div> | |
| <div id="test"></test> | |
| <svg height="0"> | |
| <filter id="f"> | |
| <feMerge><feMergeNode in="SourceAlpha"></feMergeNode></feMerge> | |
| </filter> | |
| </svg> |