Push the Grid

<div class="ctn-container">
  <div class="ctn-grid-6"></div>
  <div class="ctn-grid-6 ctn-push-6"></div>
  <div class="ctn-grid-6 ctn-push-12"></div>
  <div class="ctn-grid-6 ctn-push-18"></div>
</div>

Push and Pull the Grid

<div class="ctn-container">
  <div class="ctn-grid-8 ctn-push-16"></div>
  <div class="ctn-grid-16 ctn-pull-8"></div>
  <div class="ctn-grid-16 ctn-pull-8"></div>
  <div class="ctn-grid-8 ctn-pull-16"></div>
</div>