.app-loading {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  top: 20rem;
  background-position: center;
  background-size: 100%;
  background-repeat: no-repeat;
}

@-webkit-keyframes zoom {
  from {
    -webkit-transform: scale(1, 1);
  }
  to {
    -webkit-transform: scale(1.5, 1.5);
  }
}

@keyframes zoom {
  from {
    transform: scale(1, 1);
  }
  to {
    transform: scale(1.5, 1.5);
  }
}

.app-loading > img {
  width: 35%;
  height: 27%;
  z-index: 100;
  background-position: center;
  background-size: 100%;
  background-repeat: no-repeat;
  -webkit-animation: zoom 2s; /* Chrome, Safari, Opera */
  animation: zoom 2s;
}