Use sphinx_rtd_theme for HTML theme

docs/conf.py

@@ -82,7 +82,7 @@ todo_include_todos = True
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+# 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
@@ -100,12 +100,12 @@ html_static_path = ['_static']
 #
 # This is required for the alabaster theme
 # refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
-html_sidebars = {
-    '**': [
-        'relations.html',  # needs 'show_related': True theme option to display
-        'searchbox.html',
-    ]
-}
+# html_sidebars = {
+#     '**': [
+#         'relations.html',  # needs 'show_related': True theme option to display
+#         'searchbox.html',
+#     ]
+# }
 
 
 # -- Options for HTMLHelp output ------------------------------------------
@@ -165,4 +165,16 @@ texinfo_documents = [
 ]
 
 
+# -- Use the RTD Sphinx Theme -------------------------------------------
+
+import sphinx_rtd_theme
+html_theme = "sphinx_rtd_theme"
+html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+
+# RTD theme options (see theme.conf for more information)
+html_theme_options = {
+    'canonical_url': "https://mobarena.readthedocs.io/en/latest/",
+    'collapse_navigation': False,
+    'navigation_depth': 2,
+}