Update app.py

app.py

@@ -136,6 +136,10 @@ def apply_custom_css():
             font-weight: 600;
             text-align: center;
         }
+
+        div[data-testid="stBottomBlockContainer"] {
+            background-color: #111827 !important;
+        }
         
         .sidebar-section {
             background: rgba(31, 41, 55, 0.4);