Prefix pattern CSS classes with p-

client/patterns/rating/Star.tsx

@@ -8,7 +8,7 @@ interface StarProps {
 
 const Star: React.FC<StarProps> = ({ isActive }) => {
     return (
-        <button className="star">
+        <button className="p-rating-star">
             {isActive ? '★' : '☆'}
         </button>
     );