title: How to remove the focus border of button when click?
body: <p>I am using the Bootstrap <code>button</code>, and I want that when I click on them the focus border should not come around the icons. The code is like below.</p>
  
  <pre><code>&lt;div class="btn-group"&gt;
      &lt;button class="btn btn-link"&gt; &lt;img src="../images/icons/User.svg" class="svg"&gt;&lt;/button&gt;
  &lt;/div&gt;
  </code></pre>