title: Cant connect react-bootstrap to react app
body: <p>I have installed react-bootstrap via:</p>
  <pre><code>npm install react-bootstrap bootstrap
  </code></pre>
  <p>my code is:</p>
  <pre><code>import Button from &quot;react-bootstrap/Button&quot;;
  
  function App() {
    return (
      &lt;div&gt;
        &lt;h1&gt;Counter&lt;/h1&gt;
  
        &lt;Button variant=&quot;success&quot;&gt;Add&lt;/Button&gt;
        &lt;Button variant=&quot;Danger&quot;&gt;Substract&lt;/Button&gt;
      &lt;/div&gt;
    );
  }
  
  export default App;
  </code></pre>
  <p>and buttons don't change:</p>
  <p><a href="https://i.stack.imgur.com/ER38M.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ER38M.png" alt="enter image description here" /></a></p>