- 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
0leaves the input unchanged. The lacuna value for interpolation is
blur(0) /* No effect */ blur(8px) /* Blur with 8px radius */ blur(1.17rem) /* Blur with 1.17rem radius */
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