diff --git a/examples/brand/app.py b/examples/brand/app.py
index 5beedd945..3f45e0645 100644
--- a/examples/brand/app.py
+++ b/examples/brand/app.py
@@ -34,16 +34,19 @@
                     "Metric 1",
                     "100",
                     theme="primary",
+                    id="value_box_primary",
                 ),
                 ui.value_box(
                     "Metric 2",
                     "200",
                     theme="secondary",
+                    id="value_box_secondary",
                 ),
                 ui.value_box(
                     "Metric 3",
                     "300",
                     theme="info",
+                    id="value_box_info",
                 ),
             ),
             ui.card(
@@ -61,13 +64,15 @@
         ui.layout_column_wrap(
             ui.card(
                 ui.card_header("Button Variants"),
-                ui.input_action_button("btn1", "Default"),
-                ui.input_action_button("btn2", "Primary", class_="btn-primary"),
-                ui.input_action_button("btn3", "Secondary", class_="btn-secondary"),
-                ui.input_action_button("btn4", "Info", class_="btn-info"),
-                ui.input_action_button("btn5", "Success", class_="btn-success"),
-                ui.input_action_button("btn6", "Warning", class_="btn-warning"),
-                ui.input_action_button("btn7", "Danger", class_="btn-danger"),
+                ui.input_action_button("btn_default", "Default"),
+                ui.input_action_button("btn_primary", "Primary", class_="btn-primary"),
+                ui.input_action_button(
+                    "btn_secondary", "Secondary", class_="btn-secondary"
+                ),
+                ui.input_action_button("btn_success", "Success", class_="btn-success"),
+                ui.input_action_button("btn_danger", "Danger", class_="btn-danger"),
+                ui.input_action_button("btn_warning", "Warning", class_="btn-warning"),
+                ui.input_action_button("btn_info", "Info", class_="btn-info"),
             ),
             ui.card(
                 ui.card_header("Radio Button Examples"),
diff --git a/tests/playwright/shiny/brand_kitchensink/test_brand_yml.py b/tests/playwright/shiny/brand_kitchensink/test_brand_yml.py
new file mode 100644
index 000000000..d98d169b9
--- /dev/null
+++ b/tests/playwright/shiny/brand_kitchensink/test_brand_yml.py
@@ -0,0 +1,118 @@
+import re
+from typing import Any, Callable, Dict
+
+from conftest import create_example_fixture
+from playwright.sync_api import Locator, Page, expect
+
+from shiny.playwright import controller
+from shiny.run import ShinyAppProc
+
+app = create_example_fixture("brand")
+
+
+def test_brand_yml_kitchensink(page: Page, app: ShinyAppProc) -> None:
+    page.goto(app.url)
+
+    expected_styles = {
+        "value_box_primary": {
+            "background-color": "rgb(111, 66, 193)",
+            "color": "rgb(248, 248, 248)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "value_box_secondary": {
+            "background-color": "rgb(64, 64, 64)",
+            "color": "rgb(248, 248, 248)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "value_box_info": {
+            "background-color": "rgb(23, 162, 184)",
+            "color": "rgb(26, 26, 26)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "switch1": {
+            "background-color": "rgba(0, 0, 0, 0)",
+            "color": "rgb(26, 26, 26)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "out_text1": {
+            "background-color": "rgb(26, 26, 26)",
+            "color": "rgb(40, 167, 69)",
+            "font-family": re.compile(r"Share Tech Mono.*"),
+        },
+        "btn_default": {
+            "background-color": "rgba(0, 0, 0, 0)",
+            "color": "rgb(64, 64, 64)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "btn_primary": {
+            "background-color": "rgb(111, 66, 193)",
+            "color": "rgb(248, 248, 248)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "btn_secondary": {
+            "background-color": "rgb(64, 64, 64)",
+            "color": "rgb(248, 248, 248)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "btn_success": {
+            "background-color": "rgb(40, 167, 69)",
+            "color": "rgb(26, 26, 26)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "btn_danger": {
+            "background-color": "rgb(255, 127, 80)",
+            "color": "rgb(26, 26, 26)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "btn_warning": {
+            "background-color": "rgb(255, 215, 0)",
+            "color": "rgb(26, 26, 26)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+        "btn_info": {
+            "background-color": "rgb(23, 162, 184)",
+            "color": "rgb(26, 26, 26)",
+            "font-family": re.compile(r"Monda.*"),
+        },
+    }
+
+    component_mapping = {
+        "value_box_primary": controller.ValueBox,
+        "value_box_secondary": controller.ValueBox,
+        "value_box_info": controller.ValueBox,
+        "switch1": controller.InputSwitch,
+        "out_text1": controller.OutputText,
+        "btn_default": controller.InputActionButton,
+        "btn_primary": controller.InputActionButton,
+        "btn_secondary": controller.InputActionButton,
+        "btn_success": controller.InputActionButton,
+        "btn_danger": controller.InputActionButton,
+        "btn_warning": controller.InputActionButton,
+        "btn_info": controller.InputActionButton,
+    }
+
+    locator_mapping: Dict[type[Any], Callable[[Any], Locator]] = {
+        controller.ValueBox: lambda component: component.loc_container,
+        controller.InputSwitch: lambda component: component.loc_label,
+        controller.OutputText: lambda component: component.loc,
+        controller.InputActionButton: lambda component: component.loc,
+    }
+
+    # Iterate over expected styles and perform assertions
+    for component_name, styles in expected_styles.items():
+        component_class = component_mapping[component_name]
+        component = component_class(page, component_name)
+        locator = locator_mapping[component_class](component)
+        for property_name, expected_value in styles.items():
+            expect(locator).to_have_css(property_name, expected_value)
+
+    # inline-code block
+    expect(page.get_by_text("@reactive.effect")).to_have_css(
+        "background-color", "rgba(26, 26, 26, 0.867)"
+    )
+    expect(page.get_by_text("@reactive.effect")).to_have_css(
+        "color", "rgb(255, 215, 0)"
+    )
+    expect(page.get_by_text("@reactive.effect")).to_have_css(
+        "font-family", re.compile(r"Share Tech Mono.*")
+    )