diff --git a/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.tsx b/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.tsx
index 76ba6b32f8..ca264e1e4d 100644
--- a/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.tsx
+++ b/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.tsx
@@ -13,6 +13,8 @@ import Heading from '@theme/Heading';
 import Details from '@theme/Details';
 import type {MDXComponentsObject} from '@theme/MDXComponents';
 
+import './styles.css';
+
 // MDX elements are wrapped through the MDX pragma
 // In some cases (notably usage with Head/Helmet) we need to unwrap those elements.
 function unwrapMDXElement(element: ReactElement) {
diff --git a/packages/docusaurus-theme-classic/src/theme/MDXComponents/styles.css b/packages/docusaurus-theme-classic/src/theme/MDXComponents/styles.css
new file mode 100644
index 0000000000..a5b6023c01
--- /dev/null
+++ b/packages/docusaurus-theme-classic/src/theme/MDXComponents/styles.css
@@ -0,0 +1,11 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+ul.contains-task-list {
+  padding-left: 0;
+  list-style: none;
+}