:root{--background:#23dff0;--foreground:#071fbd;--error_font_color:red}@media (prefers-color-scheme:dark){:root{--background:#0a0a0a;--foreground:#ededed}}body{background:var(--background);color:var(--foreground);font-family:Arial,Helvetica,sans-serif}.error{color:var(--error_font_color)}