Update app.py

app.py

@@ -32,18 +32,13 @@ body {
 }
 .voice-container {
     display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
+    grid-template-columns: repeat(2, 1fr); /* Default: 2 per row */
     gap: 15px;
     padding: 20px;
 }
-@media (min-width: 600px) {
-    .voice-container {
-        grid-template-columns: repeat(2, 1fr); /* Show 2 per row on mobile */
-    }
-}
 @media (min-width: 1024px) {
     .voice-container {
-        grid-template-columns: repeat(3, 1fr); /* Show 3 per row on PC */
+        grid-template-columns: repeat(3, 1fr); /* 3 per row on PC */
     }
 }
 .voice-box {