title: Bootstrap datetimepicker icons not showing
body: <p>I am using bootstrap 3.x.x. and added datetimepicker 4.17 , datetimepicker is working fine but not showing the clock icon and nor the arrow icons.</p>
  
  <p><a href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js" rel="nofollow noreferrer">https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js</a></p>
  
  <p><a href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/css/bootstrap-datetimepicker.min.css" rel="nofollow noreferrer">https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/css/bootstrap-datetimepicker.min.css</a></p>
  
  <p><a href="https://i.stack.imgur.com/1Q1ku.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1Q1ku.png" alt="enter image description here"></a></p>
  
  <p>i tried custom icons that worked also fine.</p>
  
  <pre><code>icons: {
      time: 'glyphicon glyphicon-time',
      date: 'glyphicon glyphicon-calendar',
      up: 'glyphicon glyphicon-chevron-up',
      down: 'glyphicon glyphicon-chevron-down',
      //previous: 'glyphicon glyphicon-chevron-left',
      previous: 'glyphicon glyphicon-backward',
      next: 'glyphicon glyphicon-chevron-right',
      today: 'glyphicon glyphicon-screenshot',
      clear: 'glyphicon glyphicon-trash',
      close: 'glyphicon glyphicon-remove'
  }
  </code></pre>
  
  <p><a href="https://stackoverflow.com/questions/38519259/bootstrap-glyphicons-datetimepicker-change-icons">here</a></p>
  
  <p>But default icons are not showing up.
  what i am missing please help!</p>
  
  <p>Thanks in advance.</p>