Add CSS reset styles to index.html

frontend/index.html

@@ -14,6 +14,7 @@
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 <link href="https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap" rel="stylesheet">
 <style>
+
  
 /* ─── RESET ───────────────────────────────────────── */
 *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }