Semantic ui Pop-up bug

by dsgnr

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/1.4.1/semantic.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/1.4.1/semantic.min.js"></script>
<div class="ui padded grid">
    <div class="row">
        <div class="six wide column">
            <div class="ui blue inverted menu"> 
                <a class="active item">
                        Bookmarks
                </a>
                <div id="leftHelp" class="item right floated"> <i class="help circle icon"></i>
            </div>
        </div>
        <div class="ui blue segment">
            <div class="ui fluid icon input">
                <input id="bookmarksearch" type="text" placeholder="Search..." />
                <i class="remove icon"></i>
             </div>
            <div class="sp-bookmark-frame">
                <div id="bookmarktree"></div>
            </div>
        </div>
    </div>
    <div class="ten wide column">
        <div class="ui purple inverted menu">
            <a class="active item">
                    <i class="home icon"></i> Home
               </a>
               <a class="item">
                    <i class="mail icon"></i> Messages
               </a>
               <a class="item">
                   <i class="user icon"></i> Friends
              </a>
              <div id="centerHelp" class="item right floated">
                  <i class="help circle icon"></i>
              </div>
         </div>
         <div class="ui purple segment">
             
         </div>
     </div>
  </div>

<div class="ui popup">
    <div class="header">pop-up</div>this is the text.</div>
<div id="popup2" class="ui popup">
    <div class="header">pop-up</div>this is the text.</div>
 </div>

JavaScript

$(document).ready(function () {
    $('#leftHelp').popup({
        popup: '.popup',
        position: 'bottom left'
    });
    $('#centerHelp').popup({
        popup: $('#popup2'),
        position: 'bottom right',
        offset: 0
    });
});