.heart {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: red;
  transform: rotate(-45deg);
  animation: fadeOut 6s forwards;
}

.heart::before,
.heart::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: red;
  border-radius: 50%;
}

.heart::before {
  top: -10px;
  left: 0;
}

.heart::after {
  left: 10px;
  top: 0;
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 5px;
  overflow-y: auto;
  height: 100vh;
}

.gallery img {
  width: 100%;
  height: auto;
  object-fit: cover;
}