diff --git a/omero/_static/custom.css b/omero/_static/custom.css
new file mode 100644
index 0000000000..4918ca8d4c
--- /dev/null
+++ b/omero/_static/custom.css
@@ -0,0 +1,3 @@
+.wy-side-nav-search, .wy-nav-top {
+    background: #0b750a;
+}
diff --git a/omero/_templates/layout.html b/omero/_templates/layout.html
new file mode 100644
index 0000000000..81ae01340c
--- /dev/null
+++ b/omero/_templates/layout.html
@@ -0,0 +1,14 @@
+{% extends "!layout.html" %}
+  {% block footer %} {{ super() }}
+
+  <style>
+    /* Sidebar header (and topbar for mobile) */
+    .wy-side-nav-search, .wy-nav-top {
+      background: #00ff00;
+    }
+    /* Sidebar */
+    .wy-nav-side {
+      background: #ff0000;
+    }
+  </style>
+{% endblock %}
\ No newline at end of file
diff --git a/omero/conf.py b/omero/conf.py
index 0c08a1911c..4893e95058 100755
--- a/omero/conf.py
+++ b/omero/conf.py
@@ -401,6 +401,7 @@ def copy_legacy_redirects(app, exception):
 
 def setup(app):
     app.connect('build-finished', copy_legacy_redirects)
+    app.add_css_file('custom.css')
     app.add_crossref_type(
         directivename = "property",
         rolename      = "property",