SVG Filters
SVG filters apply effects like blur and drop shadow. Define in <defs><filter> and apply with filter="url(#id)".
SVG filters apply effects like blur and drop shadow. Define in <defs><filter> and apply with filter="url(#id)".
<svg width="200" height="120" xmlns="http://www.w3.org/2000/svg">
<defs>
<filter id="shadow">
<feDropShadow dx="4" dy="4" stdDeviation="3"
flood-color="rgba(0,0,0,0.35)"/>
</filter>
</defs>
<rect x="30" y="20" width="140" height="80" rx="10"
fill="steelblue" filter="url(#shadow)"/>
<text x="100" y="67" text-anchor="middle" fill="white" font-size="16">Card</text>
</svg>
SVG filters provide finer control than CSS box-shadow for complex effects.