.spinner {
  width: 40px;
  height: 40px;
  margin: 100px auto;
  background-color: #333;

  border-radius: 100%;
  -webkit-animation: sk-scaleout 1s infinite ease-in-out;
  animation: sk-scaleout 1s infinite ease-in-out;
}

@-webkit-keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    opacity: 0;
  }
}

@keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 0;
  }
}

.app-loading {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  top: 10em;
  background-color: #cccccc;
}
.app-loading p {
  display: block;
  font-size: 1.17em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  font-weight: normal;
}