body {
  background-color: #fef6fb;
  font-family: 'Courier New', Courier, monospace;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  text-align: center;
  overflow: hidden;
}

#mensaje {
  font-size: 2em;
  margin: 1rem;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

button {
  padding: 0.6rem 1.2rem;
  background-color: #ff69b4;
  border: none;
  color: white;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

button:hover {
  background-color: #ff1493;
}

#corazones {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.corazon {
  position: absolute;
  font-size: 2rem;
  opacity: 0;
  animation: flotar 4s ease-in forwards;
}

@keyframes flotar {
  0% {
    transform: translateY(100vh) scale(0.5);
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) scale(1.2);
    opacity: 0;
  }
}