body {
  color: rgb(30, 30, 30);
  background: rgb(255, 255, 255);
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Oxygen-Sans, Ubuntu, Cantarell,
               "Helvetica Neue", sans-serif;
}

code {
  font-family: SFMono-Regular, Menlo, Monaco,
               Consolas, "Liberation Mono",
               "Courier New", monospace;
}
@media screen and (prefers-color-scheme: dark) {
  body {
    color: rgb(255, 255, 255);
    background: rgb(30, 30, 30);
    padding: 20px;
  }
}