style.css

body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f0f0f0;
  overflow: hidden;
  /* Hide scrollbar */
}

#heart {
  font-size: 200px;
  color: pink;
  margin-top: 50px;
  animation: pulse 1s infinite alternate;
  /* Pulsating animation */
}

@keyframes pulse {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.2);
  }
}

button {
  padding: 10px 20px;
  font-size: 18px;
  cursor: pointer;
  position: absolute;
  /* Position absolutely */
}

#yesBtn {
  top: 70%;
  left: 30%;
}

#noBtn {
  top: 70%;
  left: 60%;
}

@import url("https://fonts.googleapis.com/css2?family=Pacifico:wght@200;400;600&display=swap");

@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css");

* {
  box-sizing: border-box;
}

body {
  background-color: pink;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Pacifico', cursive;
  margin: 0;
  min-height: 100vh;
}

.heart {
  position: fixed;
  font-size: 1.5rem;
  top: -1vh;
  transform: translateY(0);
  animation: fall 3s linear forwards;
}

@keyframes fall {
  from {
    transform: translateY(0vh) translateX(-10vw);
  }

  to {
    transform: translateY(105vh) translateX(10vw);
  }
}