DropShadowValue object is taken by the filter style prop for the dropShadow function. It is comprised of 2 or 3 lengths and an optional color. These values collectively define the drop shadow’s color, position, and blurriness.
Example
Keys and values
offsetX
The offset on the x-axis. This can be positive or negative. A positive value indicates right and negative indicates left.
offsetY
The offset on the y-axis. This can be positive or negative. A positive value indicates up and negative indicates down.
standardDeviation
Represents the standard deviation used in the Gaussian blur algorithm. The larger the value the blurrier the shadow is. Only non-negative values are valid. The default is 0.
color
The color of the shadow. The default is black.
