title: resizable jQuery UI doen't work
body: <p>I wonder why my resizable() jQuery UI function doesn't work on my img.
  <a href="http://impress-builder.herokuapp.com/home" rel="nofollow">http://impress-builder.herokuapp.com/home</a></p>
  
  <p>here is the code: <a href="https://github.com/lipenco/impress.js-app" rel="nofollow">https://github.com/lipenco/impress.js-app</a></p>
  
  <pre><code>function setResizable(){
      $( ".resizable" ).resizable();
  
     }
  
     $(document).on('click', 'img', function(event){ 
        $(this).addClass('resizable');
        $(this).css("position" ,"absolute")
        setResizable(); 
        return false;
     });
  </code></pre>