diff --git a/packages/react-scripts/config/jest/styleMock.js b/packages/react-scripts/config/jest/styleMock.js
new file mode 100644
index 00000000000..7ac77298ff1
--- /dev/null
+++ b/packages/react-scripts/config/jest/styleMock.js
@@ -0,0 +1,11 @@
+// @remove-on-eject-begin
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+// @remove-on-eject-end
+'use strict';
+
+module.exports = {};
diff --git a/packages/react-scripts/scripts/utils/createJestConfig.js b/packages/react-scripts/scripts/utils/createJestConfig.js
index b4c2cfa5ea9..6d04b9c0066 100644
--- a/packages/react-scripts/scripts/utils/createJestConfig.js
+++ b/packages/react-scripts/scripts/utils/createJestConfig.js
@@ -42,6 +42,7 @@ module.exports = (resolve, rootDir, isEjecting) => {
     transformIgnorePatterns: ['[/\\\\]node_modules[/\\\\].+\\.(js|jsx|mjs)$'],
     moduleNameMapper: {
       '^react-native$': 'react-native-web',
+      '^.+\\.css$': resolve('config/jest/styleMock.js'),
     },
     moduleFileExtensions: [
       'web.js',