* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
#loading-box {
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  z-index: 9999;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
#loading-box .spinner {
  border: 0.25em solid #762f8d;
  border-radius: 50%;
  border-right: 0.25em solid transparent;
  display: inline-block;
  height: 4rem;
  vertical-align: -0.125em;
  width: 4rem;
  animation: spin 2s linear infinite;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
#loading-box img.logo {
  width: 8rem;
  height: 8rem;
  margin-top: -4rem;
  margin-bottom: 1rem;
}