:root {
  --color: Black;
  --feature-color: Crimson;
  --panel-background: rgba(255, 255, 255, 0.75);
  --subpanel-background: White;
  --window-background: Silver;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color: White;
    --feature-color: Red;
    --panel-background: rgba(16, 16, 16, 0.75);
    --subpanel-background: Black;
    --window-background: Black;
  }

  a {
    color: SkyBlue
  }

  a:active {
    color: RosyBrown
  }

  a:visited {
    color: Thistle
  }
}

body {
  background: var(--window-background);
  color: var(--color);
  margin: 0;
  padding: 0;
}

h1 {
  color: var(--feature-color);
}