body,
html {
  height: 100%;
}

.app-loading {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.app-loading .logo {
  width: 100px;
  animation: logoAnimation 1s infinite;
}

@keyframes logoAnimation {
  0% {
    width: 60px;
  }
  50% {
    width: 100px;
  }
  100% {
    width: 60px;
  }
}