.rs-loader {
  position: absolute;
  top: calc(50% - 4em);
  left: calc(50% - 4em);
  width: 6em;
  height: 6em;
  transition: opacity 0.3s;
  animation: logo 2s infinite;
}

.loader--hide {
  opacity: 0;
}

@keyframes logo {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(0.85);
  }
  100% {
    transform: scale(1);
  }
}