.app-loading {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  top: 13em;
}

.loader {
  z-index: 150;
}

.loader img {
  animation-name: start-loop;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
}

@keyframes start-loop {
  from {
    transform: scale(0.1, 0.1);
  }
  50% {
    transform: scale(0.15, 0.15);
  }
  to {
    transform: scale(0.1, 0.1);
  }
}