html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: "Roboto", Arial, sans-serif;
  background: #f2f2f2;
}
#app {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.circular-progress {
  width: 60px;
  height: 60px;
  border: 6px solid #e0e0e0;
  border-top: 6px solid #757575;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 24px;
  box-sizing: border-box;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.loading-text {
  color: #757575;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}