body {
  inset: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
  position: fixed;
}

#loading {
  align-items: center;
  display: flex;
  height: 100%;
  justify-content: center;
  width: 100%;
}

#loading img {
  animation: 1s ease-in-out 0s infinite alternate breathe;
  opacity: 0.66;
  transition: opacity 0.4s;
}

#loading.main_done img {
  opacity: 1;
}

@keyframes breathe {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(0.95);
  }
}