CodePen Embed - 015 Box Shadow

<div></div>

div {
  height: 100px;
  width: 100px;
  margin: 30px auto;
  box-shadow: 5px 5px 20px 5px darkslateblue, -5px -5px 20px 5px dodgerblue,
    inset 0px 0px 10px 2px darkslategray, inset 0px 0px 20px 10px steelblue;
}

This Pen is owned by Pengfei Wang on CodePen.

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