Update app.py

app.py

@@ -1086,7 +1086,7 @@ js_code = """
                                 if (audio && audio.play) {
                                     // Highlight the current audio element
                                     audioElements.forEach(a => a.style.border = 'none');
-                                    audio.style.border = '2px solid #16cd16';
+                                    audio.style.border = '5px solid #16cd16';
                                     audio.style.borderRadius = '30px';
                                     console.log(`Attempting to play audio for slide ${index + 1}`);
                                     audio.play().then(() => {