Update frontend/src/App.js

frontend/src/App.js

@@ -8,9 +8,10 @@ const ScoreBar = ({ score, isVanilla = false }) => {
   const percentage = score <= 1 ? score * 100 : score;
   const hue = Math.min(percentage * 1.2, 120); // Maps 0-100% to 0-120 (red to green)
   const backgroundColor = `hsl(${hue}, 80%, 50%)`;
-  
+  const className = isVanilla ? "score-bar" : "vanilla-bar";
+
   return (
-    <div className="score-bar">
+    <div className={className}>
       <div 
         className="score-fill" 
         style={{