@keyframes heartfade {
  0% {
    opacity : 1;
  }
  50% {
    opacity : 0;
  }
}
.heart {
  z-index : 999;
  animation : heartfade 20s linear;
  position : absolute;
}
.heart:before,
.heart:after {
  content : "";
  background-color : #fc2a62;
  position : absolute;
  height : 30px;
  width : 45px;
  border-radius : 15px 0px 0px 15px;
}
.heart:before {
  transform : rotate(45deg);
}
.heart:after {
  left : 10.5px;
  transform : rotate(135deg);
}