.aside_container {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
}

#walking-tiger1 {
  width: 100%;
  align-items: center;
  display: flex;
  justify-content: center;
  animation: walk 10s linear infinite;
}

@keyframes walk {
  0% {
    transform: translateY(100);
  }
  100% {
    transform: translateY(-280%);
  }
}