body {
  background-color: #F5B7B1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  position: relative;
}

.ball {
  overflow: hidden;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  position: relative;
  background-color: white;
  box-shadow:inset -5px -5px 5px rgba(0,0,0,0.07);
  animation: bounceball alternate infinite 400ms 40ms ease-in-out;
}
.iris {
  width: 40%;
  height: 40%;
  left: 30%;
  top: 30%;
  border-radius: 50%;
  background-color: #229954;
  position: absolute;
}
.iris:before {
  content: "";
  position: absolute;
  width: 35%;
  height: 35%;
  border-radius: 50%;
  top: 30%;
  left: 30%;
  background-color: black;
}

.iris:after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  top: 22%;
  left: 20%;
  background-color: rgba(255, 255, 255, 0.43);
}

@keyframes bounceball {
  to { transform: scaleX(1.03) scaleY(0.97); }
}
.shadow {
  position: absolute;
  width:160px;
  height: 60px;
  border-radius:50%;
  background-color: rgba(0,0,0,0.09);
  top:190px;
  left:14px;
  animation: bounceball alternate infinite 400ms 40ms ease-in-out;
}