.main {

  display: inline-block;

  text-align: center;

  position: relative;

}

.main img {

  position: relative;

}

.main div {

  position: absolute;

  bottom: 0;

  width: 100%;

  height: 30%;

  z-index: 0;

}

.main div:after {

  content: '';

  width: 150%;

  left: -25%;

  background: white;

  height: 150%;

  top: -15%;

  position: absolute;

  z-index: -1;

  border-radius: 50%;

}