Update app.py

app.py

@@ -285,6 +285,18 @@ body {
 #leaderboard-table .model-link:hover {
     text-decoration: underline;
 }
+
+#leaderboard-table {
+    border-radius: 0.75rem;
+    overflow: hidden;              
+    border: 1px solid #dee2e6;     
+}
+
+#leaderboard-table th,
+#leaderboard-table td {
+    padding: 0.9rem 1.2rem;       
+    line-height: 1.4;             
+}
 """
 
 # Concatenate user‑defined, base and intro CSS (order = priority)