title: ngx-material-timepicker v5.4.3 - modify the style of the timepicker-field
body: <p>I am using ngx-material-timepicker field and I want to modify the following:<br>
  <a href="https://i.stack.imgur.com/cN8nh.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cN8nh.png" alt="enter image description here"></a> <br>
  1. remove the up and down arrow in hour and minute<br>
  2. instead of just a line at the bottom, I want to make it as a box<br>
  So it will be look like this:<br>
  <a href="https://i.stack.imgur.com/0SB6r.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/0SB6r.png" alt="enter image description here"></a></p>
  
  <p>I'm using the code below</p>
  
  <pre><code> &lt;ngx-timepicker-field [defaultTime]="'11:11 am'"&gt;&lt;/ngx-timepicker-field&gt;
  </code></pre>