diff --git a/tests/dark-mode/conf.py b/tests/dark-mode/conf.py
new file mode 100644
index 0000000..1462251
--- /dev/null
+++ b/tests/dark-mode/conf.py
@@ -0,0 +1,9 @@
+project = "dark-mode"
+copyright = "2024, Adrian Vollmer"
+author = "Adrian Vollmer"
+version = "0.0.1"
+
+extensions = ["sphinx_rtd_dark_mode"]
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", ".venv"]
+html_theme = "sphinx_rtd_theme"
+default_dark_mode = True
diff --git a/tests/dark-mode/index.rst b/tests/dark-mode/index.rst
new file mode 100644
index 0000000..b2fcbc5
--- /dev/null
+++ b/tests/dark-mode/index.rst
@@ -0,0 +1,9 @@
+Welcome
+=======
+
+.. toctree::
+    :maxdepth: 2
+    :caption: Contents:
+
+Chapters
+========
diff --git a/tests/dark-mode/requirements.txt b/tests/dark-mode/requirements.txt
new file mode 100644
index 0000000..cb8aeea
--- /dev/null
+++ b/tests/dark-mode/requirements.txt
@@ -0,0 +1,3 @@
+sphinx == 6
+sphinx-rtd-dark-mode
+-e ../..
diff --git a/tests/test_zundler.py b/tests/test_zundler.py
index 573540b..d04c5a1 100644
--- a/tests/test_zundler.py
+++ b/tests/test_zundler.py
@@ -144,3 +144,13 @@ def test_multi_page_search(selenium_drivers):
     span = selenium.find_elements(By.CSS_SELECTOR, "span.highlighted")
 
     assert span == []
+
+
+def test_dark_mode(selenium_drivers):
+    path = Path("//mnt//dark-mode//_build//zundler//index.html")
+    selenium = selenium_drivers["firefox"]
+    selenium.get(path.as_uri())
+
+    time.sleep(1)
+
+    assert "dark-mode documentation" in selenium.title