body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.heart {
  width: 70px;
  height: 70px;
  background: #f20044;
  box-shadow: -10px 10px 90px #f20044;
  transform: rotate(-45deg);
  animation: heart 0.6s linear infinite;
}

@keyframes heart {
  0% {
    transform: rotate(-45deg) scale(1.07);
  }

  80% {
    transform: rotate(-45deg) scale(1);
  }

  100% {
    transform: rotate(-45deg) scale(0.9);
  }
}

.heart::before {
  width: 70px;
  height: 70px;
  content: "";
  position: absolute;
  top: -50%;
  background: #f20044;
  border-radius: 50%;
  box-shadow: 10px 10px 90px #f20044;
}

.heart::after {
  width: 70px;
  height: 70px;
  content: "";
  position: absolute;
  right: -50%;
  background: #f20044;
  border-radius: 50%;
  box-shadow: -10px -10px 90px #f20044;
}

h1 {
  position: absolute;
  top: 150px;
  font-family: cursive;
  text-align: center;
  color: rgb(0, 0, 0);
  width: 100%;
  z-index: 77;
}