output of bourbon neat omega mixin

css

.fluid-grid-2 {
  list-style: none;
  padding-left: 0;
  *zoom: 1;
  max-width: 58.75em;
  margin-left: auto;
  margin-right: auto; }
  .fluid-grid-2:before, .fluid-grid-2:after {
    content: " ";
    display: table; }
  .fluid-grid-2:after {
    clear: both; }
  .fluid-grid-2 li {
    list-style: none;
    display: block;
    float: left;
    margin-right: 2.35765%;
    width: 48.82117%;
    margin-right: 0; }
    .fluid-grid-2 li:last-child {
      margin-right: 0; }

markup

<ul class="fluid-grid-2">          
<li>
          
  <div class="views-field views-field-field-tour-header-photo">        <div class="field-content"><a href="/tour/newsboys-restart-tour-featuring-king-country-rapture-ruckus-moriah-peters-campbell"><img typeof="foaf:Image" src="http://jra.dev/sites/default/files/styles/half_width/public/tours/newsboystour_banner.jpg?itok=2U9ngxyd" width="420" height="202"></a></div>  </div>  
  <div class="views-field views-field-title">        <span class="field-content"><a href="/tour/newsboys-restart-tour-featuring-king-country-rapture-ruckus-moriah-peters-campbell">Newsboys "Restart" Tour featuring for KING &amp; COUNTRY, Rapture Ruckus, Moriah Peters &amp; Campbell</a></span>  </div>      

</li>
<li>
          
  <div class="views-field views-field-field-tour-header-photo">        <div class="field-content"><a href="/tour/sanctus-real-run-tour-featuring-citizen-way-special-guests-neverclaim-and-everfound"><img typeof="foaf:Image" src="http://jra.dev/sites/default/files/styles/half_width/public/tours/sanctustour_new.jpg?itok=DKPQm4xu" width="420" height="202"></a></div>  </div>  
  <div class="views-field views-field-title">        <span class="field-content"><a href="/tour/sanctus-real-run-tour-featuring-citizen-way-special-guests-neverclaim-and-everfound">Sanctus Real "Run" Tour featuring Citizen Way with special guests The Neverclaim and Everfound</a></span>  </div>      

</li>
<li>
          
  <div class="views-field views-field-field-tour-header-photo">        <div class="field-content"><a href="/tour/matthew-west-light-tour-sidewalk-prophets-jason-castro"><img typeof="foaf:Image" src="http://jra.dev/sites/default/files/styles/half_width/public/tours/mw_tour_new.jpg?itok=E_H8FSsv" width="420" height="202"></a></div>  </div>  
  <div class="views-field views-field-title">        <span class="field-content"><a href="/tour/matthew-west-light-tour-sidewalk-prophets-jason-castro">Matthew West "Into the Light" Tour with Sidewalk Prophets &amp; Jason Castro</a></span>  </div>      

</li>
</ul>

sass

.fluid-grid-2 {
  list-style: none;
  padding-left: 0;  
  @include outer-container;
  li {
    list-style: none;
    @include span-columns(6);
    @include omega(2n);
  }
}