diff --git a/docs/conf.py b/docs/conf.py
index 40ed53f2..7266f6b4 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -28,7 +28,6 @@ version = '2.0'
 # The full version, including alpha/beta/rc tags
 release = '2.0-DEV'
 
-
 # -- General configuration ---------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
@@ -75,19 +74,20 @@ exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = None
 
-
 # -- Options for HTML output -------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
 html_theme = 'alabaster'
-
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
 #
-# html_theme_options = {}
+html_theme_options = {
+    "base_bg": "inherit",
+    "narrow_sidebar_bg": "inherit",
+}
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
@@ -110,7 +110,6 @@ html_static_path = ['_static']
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'vnpydoc'
 
-
 # -- Options for LaTeX output ------------------------------------------------
 
 latex_elements = {
@@ -139,7 +138,6 @@ latex_documents = [
      'vn.py Team', 'manual'),
 ]
 
-
 # -- Options for manual page output ------------------------------------------
 
 # One entry per manual page. List of tuples
@@ -149,7 +147,6 @@ man_pages = [
      [author], 1)
 ]
 
-
 # -- Options for Texinfo output ----------------------------------------------
 
 # Grouping the document tree into Texinfo files. List of tuples
@@ -161,7 +158,6 @@ texinfo_documents = [
      'Miscellaneous'),
 ]
 
-
 # -- Options for Epub output -------------------------------------------------
 
 # Bibliographic Dublin Core info.