title: Increasing max-width css for full calendar ignores scrollTime
body: <p>I am using the <a href="http://fullcalendar.io/" rel="nofollow noreferrer">amazing fullcalendar</a> and have it all set up.  i have the start time shown set to 7 am as opposed to the default 6 am.</p>
  
  <pre><code>{ firstDay : 1 , //Monday
    scrollTime :  "07:00:00"
  }
  </code></pre>
  
  <p>this works fine with the standard max-width set by the example code</p>
  
  <pre><code>    #calendar {
      max-width: 900px;
      margin: 0 auto;
  }
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/s4SjC.jpg" alt="enter image description here">
  however if I change the max-width in order to give myself a bit more room on a wide monitor, the first time shown drops back to 4am.  </p>
  
  <pre><code>    #calendar {
      max-width: 1300px;
      margin: 0 auto;
  }
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/K5Tot.jpg" alt="enter image description here">
  Is this a bug or am I missing some setting?</p>