title: How to style tooltip of bootstrap 4
body: <p>I am trying to style my <code>bootstrap 4 tool-tip</code> . I want to change its background color,height,width and border.
  I am not finding any way to style it according to me.</p>
  
  <p>Here is my HTML</p>
  
  <p><code>&lt;i class="fa fa-question-circle "href="#" data-toggle="tool-tip" title="Cover for any accidental loss or damage to the vehicle caused by natural calamities such as floods, storms, earthquakes, etc." aria-hidden="true"&gt; &lt;/i&gt;</code></p>
  
  <p>Tool-tip working fine but I am not able to style it.</p>