diff --git a/artdag_common/__pycache__/__init__.cpython-312.pyc b/artdag_common/__pycache__/__init__.cpython-312.pyc
new file mode 100644
index 0000000..7d49b36
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diff --git a/artdag_common/__pycache__/constants.cpython-312.pyc b/artdag_common/__pycache__/constants.cpython-312.pyc
new file mode 100644
index 0000000..558202b
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diff --git a/artdag_common/__pycache__/rendering.cpython-312.pyc b/artdag_common/__pycache__/rendering.cpython-312.pyc
new file mode 100644
index 0000000..15b75ef
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diff --git a/artdag_common/templates/_base.html b/artdag_common/templates/_base.html
index deeb67b..77e5ef8 100644
--- a/artdag_common/templates/_base.html
+++ b/artdag_common/templates/_base.html
@@ -81,8 +81,10 @@
     {# App-specific sub-nav (Runs, Recipes, Effects, etc.) #}
     {% block sub_nav %}{% endblock %}
 
-    <main class="max-w-screen-2xl mx-auto px-4 py-4">
+    <main class="bg-dark-800 text-gray-100 min-h-screen">
+      <div class="max-w-screen-2xl mx-auto px-4 py-4">
         {% block content %}{% endblock %}
+      </div>
     </main>
 
     {% block footer %}{% endblock %}