.footer {
  text-align: center;
  padding: 20px;
  background-color: #23272A;
  color: #99AAB5;
  margin-top: 40px;
  opacity: 0;
  animation: fadeInUp 0.7s ease forwards;
  animation-delay: 0.4s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}