diff --git a/.circleci/config.yml b/.circleci/config.yml
index 00fbe35..da9895a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -23,8 +23,7 @@ jobs:
       - run:
           name: Build docs to store
           command: |
-            cd docs
-            make html
+            sphinx-build -W -b html docs docs/_build/
 
       - store_artifacts:
           path: docs/_build/html/
diff --git a/docs/conf.py b/docs/conf.py
index 9292089..75e43d2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -87,7 +87,7 @@
 # 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,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ["_static"]
+# html_static_path = ["_static"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
diff --git a/sphinx_togglebutton/__init__.py b/sphinx_togglebutton/__init__.py
index e45de75..2ece8c4 100644
--- a/sphinx_togglebutton/__init__.py
+++ b/sphinx_togglebutton/__init__.py
@@ -13,7 +13,7 @@ def st_static_path(app):
 
 def add_to_context(app, config):
     # Update the global context
-    config.html_context.update({'togglebutton_hint': config.togglebutton_hint})
+    config.html_context.update({"togglebutton_hint": config.togglebutton_hint})
 
 
 # This function reads in a variable and inserts it into JavaScript
@@ -58,7 +58,7 @@ def setup(app):
     app.connect("builder-inited", st_static_path)
 
     # Add relevant code to headers
-    app.add_stylesheet("togglebutton.css")
+    app.add_css_file("togglebutton.css")
 
     # Add the string we'll use to select items in the JS
     # Tell Sphinx about this configuration variable