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The blur() CSS function applies a Gaussian blur to the input image. Its result is a <filter-function>.

Syntax

blur(radius)

Parameters

radius
The radius of the blur, specified as a <length>. It defines the value of the standard deviation to the Gaussian function, i.e., how many pixels on the screen blend into each other; thus, a larger value will create more blur. A value of 0 leaves the input unchanged. The lacuna value for interpolation is 0.

Examples

blur(0)        /* No effect */
blur(8px)      /* Blur with 8px radius */
blur(1.17rem)  /* Blur with 1.17rem radius */

See also

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