<section class="stage">
  <figure class="ball"><span class="shadow"></span></figure>
</section>
.ball {
  display: block;
  background: black;
  margin: 0;
  border-radius: 50%;
  height: 300px;
  width: 300px;
  background: radial-gradient(circle at 100px 100px, #5cabff, #000);
}
.ball .shadow {
position: absolute;
width: 100%;
height: 100%;
background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0) 50%);
-webkit-transform: rotateX(90deg) translateZ(-150px);
-moz-transform: rotateX(90deg) translateZ(-150px);
-ms-transform: rotateX(90deg) translateZ(-150px);
-o-transform: rotateX(90deg) translateZ(-150px);
transform: rotateX(90deg) translateZ(-150px);
z-index: -1;
}
.stage {
  width: 300px;
  height: 300px;
  -webkit-perspective: 1200px;
  -moz-perspective: 1200px;
  -ms-perspective: 1200px;
  -o-perspective: 1200px;
  perspective: 1200px;
  -webkit-perspective-origin: 50% 50%;
  -moz-perspective-origin: 50% 50%;
  -ms-perspective-origin: 50% 50%;
  -o-perspective-origin: 50% 50%;
  perspective-origin: 50% 50%;
}
body {
  width: 300px;
  margin: 20px auto;
  background: linear-gradient(to bottom, rgba(100, 100, 100, 0.2) 0%, rgba(255, 255, 255, 0.5) 40%, #ffffff 100%);
  background-repeat: no-repeat;
}

External CSS

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External JavaScript

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