OptionalblurThe blur radius. Larger values create bigger, lighter blurs. Negative values are invalid.
OptionalcolorThe color of the shadow. Accepts standard CSS color strings.
OptionalinsetIf true, the shadow is drawn inside the border (inset) instead of outside.
OptionaloffsetThe horizontal offset of the shadow. Positive values move it right, negative values left.
OptionaloffsetThe vertical offset of the shadow. Positive values move it down, negative values up.
OptionalspreadGrows the shadow beyond the node's box before it is blurred, as the fourth length of the CSS
box-shadow shorthand does. A negative value shrinks it.
An inset shadow spreads the other way, reaching further in from every edge.
Defines the properties for a single box-shadow effect, similar to CSS box-shadow.