body {
  background-color: #292d32;
}

.container {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-items: center;
}

@media only screen and (max-device-width: 812px) {
  .container {
    min-height: calc(var(--vh, 1vh) * 100);
  }
}

.loading-indicator {
  position: relative;
  width: 40px;
  height: 40px;
  margin: 2em auto;
}

.circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(var(--rotate));
}

.circle::before {
  content: '';
  display: block;
  margin: 0 auto;
  width: 15%;
  height: 15%;
  background-color: #999;
  border-radius: 100%;
  animation: circleFadeDelay 1.2s infinite ease-in-out both;
  animation-delay: var(--delay);
}

@keyframes circleFadeDelay {
  0%,
  39%,
  100% {
    opacity: 0;
  }

  40% {
    opacity: 1;
  }
}