title: jquery show and hide button
body: <p>I have a small issue with with jquery show and hide. </p>
  
  <p>I have a buttons that activates the click and shows a box. </p>
  
  <p>Is it possible to click outside of the box to fade the box out</p>
  
  <p>Here is my code. </p>
  
  <pre><code>$('.normal-btn.interest').click(function(){
      $('.categories-wrap').fadeIn();
  })
  
  $('what needs to be here? ').click(function(){
      $('.categories-wrap').fadeOut();
  })
  </code></pre>