:root{color-scheme:light dark;--body-bg:#fff;--body-color:#222}@media(prefers-color-scheme: dark){:root{--body-bg:#121212;--body-color:#eee}}body{background:var(--body-bg);color:var(--body-color)}#welcome{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;margin-top:60px}