Tic‑Tac‑Toe — Play vs AI

Choose your mark and press New (or click squares to play).
You: 0
AI: 0
Ties: 0
Unbeatable AI (minimax)
/* Full-page background with a GIF */ body { margin: 0; padding: 0; background: url('https://media4.giphy.com/media/v1.Y2lkPTc5MGI3NjExejIyY2VtbnE3aW4zY3VhOGlsc2YzcWFnam9qZWR6NzQwc2VsM2E5aCZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/2K8GaJPVJlbzi/giphy.gif') no-repeat center center fixed; background-size: cover; height: 100vh; font-family: Arial, sans-serif; color: white; text-align: center; } .content { position: relative; z-index: 1; padding-top: 20%; } /* Optional: dark overlay for readability */ body::before { content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(, 45, 19, 0); /* transparent black */ z-index: 0; } /* Top-right corner GIF */ .corner-gif { position: fixed; top: 600px; right: 500px; width: 100px; height: 100px; z-index: 2;