body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
}

section {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background-color: #f0f0f0;
  margin-bottom: 10px;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}