| Parameters | Details |
|---|---|
| inset | by default, the shadow is treated as a drop shadow. the inset keyword draws the shadow inside the frame/border. |
| offset-x | the horizontal distance |
| offset-y | the vertical distance |
| blur-radius | 0 by default. value cannot be negative. the bigger the value, the bigger and lighter the shadow becomes. |
| spread-radius | 0 by default. positive values will cause the shadow to expand. negative values will cause the shadow to shrink. |
| color | can be of various notations: a color keyword, hexadecimal, rgb(), rgba(), hsl(), hsla() |
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