blur()
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 of0leaves the input unchanged. The lacuna value for interpolation is0.
Examples
Setting a blur with pixels and with rem
blur(0) /* No effect */
blur(8px) /* Blur with 8px radius */
blur(1.17rem) /* Blur with 1.17rem radius */
Specifications
| Specification |
|---|
| Filter Effects Module Level 2 # funcdef-filter-blur |
Browser compatibility
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