3 <div style="-webkit-filter: url('#filter'); filter: url('#filter'); width: 100px; height: 100px; padding: 1px;">
4 <div style="background-color: red; width: 98px; height: 98px;"></div>
6 <svg width="0" height="0">
8 <feFlood result="outlineColor" flood-color="green"/>
9 <feMorphology in="SourceAlpha" operator="dilate" radius="1"/>
10 <feComposite operator="in" in="outlineColor"/>