.app-loading {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.app-loading .loadingDDT {
  width: 200px;
  height: 200px;
  background-image: url('/content/images/loadingDDT.gif');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}