diff --git a/CHANGELOG.md b/CHANGELOG.md
index d323d903ef..8ba671f1fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -83,6 +83,7 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
 -  Fixes [#5147](https://github.com/microsoft/BotFramework-WebChat/issues/5147). Added `punycode` to our dependencies as `markdown-it` requires it but did not have it in their `package.json`, in PR [#5301](https://github.com/microsoft/BotFramework-WebChat/pull/5301), by [@compulim](https://github.com/compulim)
 -  Fixes [#5306](https://github.com/microsoft/BotFramework-WebChat/issues/5306). Title and subtitle in pre-chat message activity should wrap, in PR [#5307](https://github.com/microsoft/BotFramework-WebChat/pull/5307), by [@compulim](https://github.com/compulim)
 -  Fixes [#5319](https://github.com/microsoft/BotFramework-WebChat/issues/5319). Some Markdown text are not rendered after HTML tags, in PR [#5320](https://github.com/microsoft/BotFramework-WebChat/pull/5320), by [@compulim](https://github.com/compulim)
+-  Fixes [#5323](https://github.com/microsoft/BotFramework-WebChat/issues/5323). Removed unused CSS class from carousel component, eliminating unintended styling, in PR [#5325](https://github.com/microsoft/BotFramework-WebChat/pull/5325), by [@OEvgeny](https://github.com/OEvgeny)
 
 # Removed
 
diff --git a/__tests__/html2/fluentTheme/carousel.html b/__tests__/html2/fluentTheme/carousel.html
new file mode 100644
index 0000000000..e665d06809
--- /dev/null
+++ b/__tests__/html2/fluentTheme/carousel.html
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html lang="en-US">
+
+<head>
+  <link href="/assets/index.css" rel="stylesheet" type="text/css" />
+  <script crossorigin="anonymous" src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
+  <script crossorigin="anonymous" src="https://unpkg.com/react@16.8.6/umd/react.production.min.js"></script>
+  <script crossorigin="anonymous" src="https://unpkg.com/react-dom@16.8.6/umd/react-dom.production.min.js"></script>
+  <script crossorigin="anonymous" src="/test-harness.js"></script>
+  <script crossorigin="anonymous" src="/test-page-object.js"></script>
+  <script crossorigin="anonymous" src="/__dist__/webchat-es5.js"></script>
+  <script crossorigin="anonymous" src="/__dist__/botframework-webchat-fluent-theme.production.min.js"></script>
+</head>
+
+<body>
+  <main id="webchat"></main>
+  <script type="text/babel">
+    run(async function () {
+      const {
+        React,
+        ReactDOM: { render },
+        WebChat: { createDirectLine, FluentThemeProvider, ReactWebChat, testIds }
+      } = window;
+
+      const directLine = createDirectLine({
+        token: await testHelpers.token.fetchDirectLineToken()
+      });
+
+      const store = testHelpers.createStore();
+
+      const App = () => <ReactWebChat directLine={directLine} store={store} />;
+
+      render(
+        <FluentThemeProvider>
+          <App />
+        </FluentThemeProvider>,
+        document.getElementById('webchat')
+      );
+
+      await pageConditions.uiConnected();
+
+      // Test sending a message
+      document.querySelector(`[data-testid="${testIds.sendBoxTextBox}"]`).focus();
+      await host.sendKeys('carousel');
+
+      await host.click(document.querySelector(`[data-testid="${testIds.sendBoxSendButton}"]`));
+
+      // Verify the sent message
+      await pageConditions.numActivitiesShown(1);
+      await pageConditions.allOutgoingActivitiesSent();
+      await host.snapshot('local');
+
+      // Wait for and verify bot response
+      await pageConditions.numActivitiesShown(2);
+
+      // WHEN: Right flipper is clicked.
+      const carouselLayout = document.querySelector('.webchat__carousel-layout');
+      const carouselFilmstrip = carouselLayout.querySelector('.webchat__carousel-filmstrip');
+      const rightFlipper = carouselLayout.querySelector('[aria-label="Next"]');
+
+      // Improve test reliability by hover before click on flipper button.
+      await host.hover(rightFlipper);
+      await testHelpers.sleep(500);
+      await host.click(rightFlipper);
+
+      // THEN: It should scroll right.
+      await pageConditions.became('Carousel should scroll right', () => carouselFilmstrip.scrollLeft > 100, 1000);
+
+      await testHelpers.sleep(500); // Wait for right flipper to fade away.
+
+      await host.snapshot('local');
+    });
+  </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/__tests__/html2/fluentTheme/carousel.html.snap-1.png b/__tests__/html2/fluentTheme/carousel.html.snap-1.png
new file mode 100644
index 0000000000..dc501acbb9
Binary files /dev/null and b/__tests__/html2/fluentTheme/carousel.html.snap-1.png differ
diff --git a/__tests__/html2/fluentTheme/carousel.html.snap-2.png b/__tests__/html2/fluentTheme/carousel.html.snap-2.png
new file mode 100644
index 0000000000..b02e1de6bd
Binary files /dev/null and b/__tests__/html2/fluentTheme/carousel.html.snap-2.png differ
diff --git a/packages/component/src/Activity/CarouselFilmStrip.js b/packages/component/src/Activity/CarouselFilmStrip.js
index 17866fc1e1..aabe0377a9 100644
--- a/packages/component/src/Activity/CarouselFilmStrip.js
+++ b/packages/component/src/Activity/CarouselFilmStrip.js
@@ -195,7 +195,7 @@ const CarouselFilmStrip = ({
           )}
           <div className="webchat__carousel-filmstrip__complimentary">
             <div className="webchat__carousel-filmstrip__nub-pad" />
-            <div className="webchat__carousel-filmstrip__complimentary-content c">
+            <div className="webchat__carousel-filmstrip__complimentary-content">
               <ul
                 className="webchat__carousel-filmstrip__attachments react-film__filmstrip__list"
                 ref={itemContainerCallbackRef}
