body { font-family: Arial; margin: 0; padding: 20px; background: #f5f5f5; }
#satiety-bar { width: 200px; height: 20px; background: #ddd; border-radius: 10px; margin: 20px auto; }
#satiety-fill { height: 100%; width: 0%; background: #4CAF50; border-radius: 10px; transition: width 0.3s; }
button { display: block; width: 200px; margin: 10px auto; padding: 10px; background: #007bff; color: white; border: none; border-radius: 5px; cursor: pointer; }