diff --git a/README.md b/README.md
index e082f7df..0ffe95fa 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,7 @@
 ![NPM](https://img.shields.io/npm/l/react-toastify.svg?label=%F0%9F%93%9Clicense&style=for-the-badge)
 ![Coveralls github](https://img.shields.io/coveralls/github/fkhadra/react-toastify.svg?label=%E2%9B%B1coverage&style=for-the-badge)
 
-
-![React toastify](https://user-images.githubusercontent.com/5574267/130804494-a9d2d69c-f170-4576-b2e1-0bb7f13dd92d.gif "React toastify")
+![React toastify](https://user-images.githubusercontent.com/5574267/130804494-a9d2d69c-f170-4576-b2e1-0bb7f13dd92d.gif 'React toastify')
 
 ![stacked](https://github.com/fkhadra/react-toastify/assets/5574267/975c7c01-b95e-43cf-9100-256fa8ef2760)
 
@@ -23,20 +22,51 @@ $ yarn add react-toastify
 ```
 
 ```jsx
-  import React from 'react';
-
-  import { ToastContainer, toast } from 'react-toastify';
-  
-  function App(){
-    const notify = () => toast("Wow so easy!");
-
-    return (
-      <div>
-        <button onClick={notify}>Notify!</button>
-        <ToastContainer />
-      </div>
-    );
-  }
+import React from 'react';
+
+import { ToastContainer, toast } from 'react-toastify';
+
+function App() {
+  const notify = () => toast('Wow so easy!');
+
+  return (
+    <div>
+      <button onClick={notify}>Notify!</button>
+      <ToastContainer />
+    </div>
+  );
+}
+```
+
+### With custom transition
+
+```jsx
+import React from 'react';
+
+import { ToastContainer, toast, Bounce } from 'react-toastify';
+
+function App() {
+  const notify = () => toast('Wow so easy!');
+
+  return (
+    <div>
+      <button onClick={notify}>Notify!</button>
+      <ToastContainer
+        position="top-right"
+        autoClose={5000}
+        hideProgressBar={false}
+        newestOnTop={false}
+        closeOnClick={false}
+        rtl={false}
+        pauseOnFocusLoss
+        draggable
+        pauseOnHover
+        theme="light"
+        transition={Bounce}
+      />
+    </div>
+  );
+}
 ```
 
 ## Documentation
@@ -52,7 +82,7 @@ Check the [documentation](https://fkhadra.github.io/react-toastify/introduction)
 - Can choose swipe direction
 - Super easy to use an animation of your choice. Works well with animate.css for example
 - Can display a react component inside the toast!
-- Has ```onOpen``` and ```onClose``` hooks. Both can access the props passed to the react component rendered inside the toast
+- Has `onOpen` and `onClose` hooks. Both can access the props passed to the react component rendered inside the toast
 - Can remove a toast programmatically
 - Define behavior per toast
 - Pause toast when the window loses focus 👁
@@ -61,7 +91,7 @@ Check the [documentation](https://fkhadra.github.io/react-toastify/introduction)
 - You can control the progress bar a la `nprogress` 😲
 - You can limit the number of toast displayed at the same time
 - Dark mode 🌒
-- Pause timer programmaticaly 
+- Pause timer programmaticaly
 - Stacked notifications!
 - And much more !
 
@@ -69,7 +99,6 @@ Check the [documentation](https://fkhadra.github.io/react-toastify/introduction)
 
 [A demo is worth a thousand words](https://fkhadra.github.io/react-toastify/introduction)
 
-
 ## Contribute
 
 Show your ❤️ and support by giving a ⭐. Any suggestions are welcome! Take a look at the contributing guide.
diff --git a/playground/src/components/App.tsx b/playground/src/components/App.tsx
index acde3d51..8aad61f7 100644
--- a/playground/src/components/App.tsx
+++ b/playground/src/components/App.tsx
@@ -88,7 +88,8 @@ class App extends React.Component {
       this.state.pauseOnHover &&
       this.state.closeOnClick &&
       this.state.draggable &&
-      this.state.theme === 'light'
+      this.state.theme === 'light' &&
+      this.state.transition === 'bounce'
     );
   }
 
diff --git a/playground/src/components/ContainerCode.tsx b/playground/src/components/ContainerCode.tsx
index e5fd01d7..7b694927 100644
--- a/playground/src/components/ContainerCode.tsx
+++ b/playground/src/components/ContainerCode.tsx
@@ -17,6 +17,7 @@ function getProp<L, R>(prop: L, value: R) {
 export interface ContainerCodeProps extends Partial<ToastContainerProps> {
   isDefaultProps: boolean;
   disableAutoClose: boolean;
+  transition?: string;
 }
 
 export const ContainerCode: React.FC<ContainerCodeProps> = ({
@@ -31,10 +32,19 @@ export const ContainerCode: React.FC<ContainerCodeProps> = ({
   pauseOnFocusLoss,
   isDefaultProps,
   draggable,
-  theme
+  theme,
+  transition
 }) => (
   <div>
     <h3>Toast Container</h3>
+    {transition && transition !== 'bounce' && (
+      <div className="code">
+        <div>
+          <span className="code__component">import</span>
+          {` { ${transition.charAt(0).toUpperCase() + transition.slice(1)} } from 'react-toastify';`}
+        </div>
+      </div>
+    )}
     <div className="code">
       <div>
         <span>{`<`}</span>
@@ -48,6 +58,12 @@ export const ContainerCode: React.FC<ContainerCodeProps> = ({
         <span className="code__props">theme</span>
         {`="${theme}"`}
       </div>
+      {transition && transition !== 'bounce' && (
+        <div>
+          <span className="code__props">transition</span>
+          {`={${transition.charAt(0).toUpperCase() + transition.slice(1)}}`}
+        </div>
+      )}
       <div>
         <span className="code__props">autoClose</span>
         {`={${disableAutoClose ? false : autoClose}}`}
diff --git a/src/addons/use-notification-center/NotificationCenter.cy.tsx b/src/addons/use-notification-center/NotificationCenter.cy.tsx
index 2ffe1962..34b77122 100644
--- a/src/addons/use-notification-center/NotificationCenter.cy.tsx
+++ b/src/addons/use-notification-center/NotificationCenter.cy.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { toast, ToastContainer } from 'react-toastify';
+import { toast, ToastContainer } from '../../../src';
 import { NotificationCenterItem, useNotificationCenter, UseNotificationCenterParams } from './useNotificationCenter';
 
 function TestComponent(props: UseNotificationCenterParams) {
diff --git a/src/addons/use-notification-center/useNotificationCenter.ts b/src/addons/use-notification-center/useNotificationCenter.ts
index 7e69ec38..264579ea 100644
--- a/src/addons/use-notification-center/useNotificationCenter.ts
+++ b/src/addons/use-notification-center/useNotificationCenter.ts
@@ -1,5 +1,5 @@
 import { useState, useEffect, useRef } from 'react';
-import { toast, ToastItem, Id } from 'react-toastify';
+import { toast, ToastItem, Id } from '../../index';
 
 type Optional<T, K extends keyof T> = Pick<Partial<T>, K> & Omit<T, K>;