<feDropShadow>
        
        
          
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      This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
The <feDropShadow> SVG filter primitive creates a drop shadow of the input image. It can only be used inside a <filter> element.
Note:
The drop shadow color and opacity can be changed by using the flood-color and flood-opacity presentation attributes.
Like other filter primitives, it handles color components in the linearRGB color space by default. You can use color-interpolation-filters to use sRGB instead.
Usage context
Attributes
- dx: This attribute defines the x offset of the drop shadow. Value type: <number>; Default value:- 2; Animatable: yes
- dy: This attribute defines the y offset of the drop shadow. Value type: <number>; Default value:- 2; Animatable: yes
- in
- stdDeviation: This attribute defines the standard deviation for the blur operation in the drop shadow. Value type: <number-optional-number>; Default value:- 2; Animatable: yes
- Filter primitive attributes: x,y,width,height,result
DOM Interface
This element implements the SVGFEDropShadowElement interface.
Example
html
<svg viewBox="0 0 30 10" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <filter id="shadow">
      <feDropShadow dx="0.2" dy="0.4" stdDeviation="0.2" />
    </filter>
    <filter id="shadow2">
      <feDropShadow dx="0" dy="0" stdDeviation="0.5" flood-color="cyan" />
    </filter>
    <filter id="shadow3">
      <feDropShadow
        dx="-0.8"
        dy="-0.8"
        stdDeviation="0"
        flood-color="pink"
        flood-opacity="0.5" />
    </filter>
  </defs>
  <circle cx="5" cy="50%" r="4" fill="pink" filter="url(#shadow)" />
  <circle cx="15" cy="50%" r="4" fill="pink" filter="url(#shadow2)" />
  <circle cx="25" cy="50%" r="4" fill="pink" filter="url(#shadow3)" />
</svg>
Specifications
| Specification | 
|---|
| Filter Effects Module Level 1> # feDropShadowElement> | 
Browser compatibility
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See also
- SVG Filter primitive attributes including height,in,result,x,y, andwidth.
- SVG presentation attributes, including flood-color, andflood-opacity.