body,
html {
  margin: 0;
  height: 100%;
  background: #ffffff;
  background-size: 100% 100%;
}

.center {
  margin: 0;
  position: absolute;
  top: 45%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.logo {
  width: 180px;
  height: auto;
}

.spinner {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border: 4px solid rgba(128, 128, 128, 0.35);
  border-top-color: #8a6cff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.contain {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.stretch {
  display: block;
  width: 100%;
  height: 100%;
}

.cover {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (prefers-color-scheme: dark) {
  body {
    margin: 0;
    height: 100%;
    background: #000000;
    background-size: 100% 100%;
  }
}