| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| .box { | |
| width: 200px; | |
| height: 200px; | |
| margin: 50px; | |
| background-color: green; | |
| -webkit-filter: url(#morphology); | |
| filter: url(#morphology); | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="box"></div> | |
| <svg xmlns="http://www.w3.org/2000/svg" width="0" height="0" version="1.1"> | |
| <defs> | |
| <filter id="morphology" x="-0.5" y="-0.5" width="2" height="2"> | |
| <feMorphology radius="0 25" operator="erode"/> | |
| </filter> | |
| </defs> | |
| </svg> | |
| </body> | |
| </html> |