body{font-family:Arial,sans-serif;background-color:#f4f4f4;display:flex;justify-content:center;align-items:center;height:100vh;margin:0}.container{text-align:center;background:#fff;padding:20px;border-radius:10px;box-shadow:0 0 10px #0000001a}#foodInput{width:300px;padding:10px;margin:10px 0;border-radius:5px;border:1px solid #ccc}button{padding:10px 20px;border:none;background-color:#28a745;color:#fff;border-radius:5px;cursor:pointer}button:hover{background-color:#218838}#nutritionChart{display:none;margin-top:20px}