.bg_heart {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
  top: 0;
  left: 0;
  overflow: hidden;
}

.heart {
  position: absolute;
  top: -50%;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -m-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.heart:before {
  position: absolute;
  top: -50%;
  left: 0;
  display: block;
  content: "";
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: 100%;
}
.heart:after {
  position: absolute;
  top: 0;
  right: -50%;
  display: block;
  content: "";
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: 100%;
}

@-webkit-keyframes love {
  0% {
    top: 110%;
  }
}
@-moz-keyframes love {
  0% {
    top: 110%;
  }
}
@-ms-keyframes love {
  0% {
    top: 110%;
  }
}
@keyframes love {
  0% {
    top: 110%;
  }
}