*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#1a1a1a;background:#fafafa}:root{--core:#e8590c;--adjacent:#1c7ed6;--independent:#868e96;--panel:#ffffff;--border:#e3e3e3}