ora/src/client/index.css

.ora--wrapper {
  display: none;
  position: fixed;
  color: #111;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #eee;
  z-index: 999999999;
}

@media (prefers-color-scheme: dark) {
  .ora--wrapper {
    background-color: #000000;
    color: #eee;
  }
}