anchor.diff:        <div class='container'>
           <div class='row'>
             <!-- Brand and toggle get grouped for better mobile display -->
  -          <div class='navbar-header col-md-2'>
  +          <div class='navbar-header col-sm-2'>
               <button type='button' class='navbar-toggle' data-toggle='collapse' data-target='#bs-example-navbar-collapse-1'>
                 <span class='sr-only'>Toggle navigation</span>
                 <span class='icon-bar'></span>
  
positive.code:     <div class='container'>
        <div class='row'>
          <!-- Move to a partial -->
          <aside class='col-md-2'>
            <ul class='list-group'>
              <li class='list-group-item active'><a href='#'><span class='fa fa-home fa-fw'></span> Home</a></li>
              <li class='list-group-item'><a href='#'><span class='fa fa-user fa-fw'></span> Profile</a></li>
  
negative.code:           <%= yield %>
          </div>
  
          <aside class='col-sm-3'>
            <ul class='list-group'>
              <li class='list-group-header' style='margin-top: 0;'>In My Circles (38)</li>
              <li class='list-group-item'>
  