diff --git a/vizro-ai/examples/dashboard_ui/app.py b/vizro-ai/examples/dashboard_ui/app.py
index 0a9706449..6840c01b1 100644
--- a/vizro-ai/examples/dashboard_ui/app.py
+++ b/vizro-ai/examples/dashboard_ui/app.py
@@ -174,9 +174,7 @@
                         ),
                     ],
                 ),
-                MyDropdown(
-                    options=SUPPORTED_MODELS["OpenAI"], value="gpt-4o-mini", multi=False, id="model-dropdown"
-                ),
+                MyDropdown(options=SUPPORTED_MODELS["OpenAI"], value="gpt-4o-mini", multi=False, id="model-dropdown"),
                 OffCanvas(
                     id="settings",
                     options=["OpenAI", "Anthropic", "Mistral", "xAI"],
@@ -286,9 +284,7 @@ def download_fig(n_clicks_html, n_clicks_json, data):
         return dcc.send_string(plotly_json, "plotly_fig.json")
 
 
-@callback(
-    [Output("model-dropdown", "options"), Output("model-dropdown", "value")], Input("settings-dropdown", "value")
-)
+@callback([Output("model-dropdown", "options"), Output("model-dropdown", "value")], Input("settings-dropdown", "value"))
 def update_model_dropdown(value):
     """Callback for updating available models."""
     available_models = SUPPORTED_MODELS[value]
diff --git a/vizro-ai/examples/dashboard_ui/assets/custom_css.css b/vizro-ai/examples/dashboard_ui/assets/custom_css.css
index cd43085e1..561dd45b9 100644
--- a/vizro-ai/examples/dashboard_ui/assets/custom_css.css
+++ b/vizro-ai/examples/dashboard_ui/assets/custom_css.css
@@ -263,8 +263,8 @@
   display: flex;
   flex-direction: row;
   justify-content: center;
-  padding-left: 4px;
   min-width: 130px;
+  padding-left: 4px;
 }
 
 #custom-header-div {
diff --git a/vizro-ai/examples/dashboard_ui/components.py b/vizro-ai/examples/dashboard_ui/components.py
index 96c7aaf33..da96d5e2b 100644
--- a/vizro-ai/examples/dashboard_ui/components.py
+++ b/vizro-ai/examples/dashboard_ui/components.py
@@ -91,11 +91,11 @@ def build(self):
 
         return dcc.Loading(
             html.Div(
-            [
-                dcc.Clipboard(target_id=f"{self.id}-code-markdown", className="code-clipboard"),
-                dcc.Markdown(markdown_code, id=f"{self.id}-code-markdown"),
-            ],
-            className="code-clipboard-container",
+                [
+                    dcc.Clipboard(target_id=f"{self.id}-code-markdown", className="code-clipboard"),
+                    dcc.Markdown(markdown_code, id=f"{self.id}-code-markdown"),
+                ],
+                className="code-clipboard-container",
             ),
             color="grey",
             parent_className="loading-container",