<section class="stage">
      <figure class="ball">
        <span class="shadow"></span>
        <span class="iris"></span>
      </figure>
</section>

.ball {
  display: inline-block;
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at 50% 40%, #fcfcfc, #efeff1 66%, #9b5050 100%);
}
.ball:after {
  content: "";
  position: absolute;
  top: 5%;
  left: 10%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8) 14%, rgba(255, 255, 255, 0) 24%);
  -webkit-transform: translateX(-80px) translateY(-90px) skewX(-20deg);
  -moz-transform: translateX(-80px) translateY(-90px) skewX(-20deg);
  -ms-transform: translateX(-80px) translateY(-90px) skewX(-20deg);
  -o-transform: translateX(-80px) translateY(-90px) skewX(-20deg);
  transform: translateX(-80px) translateY(-90px) skewX(-20deg);
}

.iris {
  width: 40%;
  height: 40%;
  margin: 30%;
  border-radius: 100%;
  background: radial-gradient(circle at 50% 50%, #208ab4 0%, #6fbfff 30%, #4381b2 100%);
  -webkit-transform: translateX(68px) translateY(-60px) skewX(15deg) skewY(2deg);
  -moz-transform: translateX(68px) translateY(-60px) skewX(15deg) skewY(2deg);
  -ms-transform: translateX(68px) translateY(-60px) skewX(15deg) skewY(2deg);
  -o-transform: translateX(68px) translateY(-60px) skewX(15deg) skewY(2deg);
  transform: translateX(68px) translateY(-60px) skewX(15deg) skewY(2deg);
  position: absolute;
  -webkit-animation: move-eye-skew 5s ease-out infinite;
  -moz-animation: move-eye-skew 5s ease-out infinite;
  -o-animation: move-eye-skew 5s ease-out infinite;
  -ms-animation: move-eye-skew 5s ease-out infinite;
  animation: move-eye-skew 5s ease-out infinite;
}
.iris:before {
  content: "";
  display: block;
  position: absolute;
  width: 37.5%;
  height: 37.5%;
  border-radius: 100%;
  top: 31.25%;
  left: 31.25%;
  background: black;
}
.iris:after {
  content: "";
  display: block;
  position: absolute;
  width: 31.25%;
  height: 31.25%;
  border-radius: 100%;
  top: 18.75%;
  left: 18.75%;
  background: rgba(255, 255, 255, 0.2);
}

.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;
  display: inline-block;
  margin: 20px;
  -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;
}