Roblox Adopt Me Coinflip Website

I need a simple web-based coin flip game themed around Roblox’s “Adopt Me!” universe. The main deliverable is a fully functional page where visitors can press a button, watch a realistic-style coin flip animation, and instantly see whether they win or lose... (Budget: $250 - $750 USD, Jobs: Animation, CSS, CSS3, Game Development, HTML5, JavaScript, Web Development, Website Design)