<div class="page-header">
  <em>Input & Button Groups</em>
</div>

<div class="col-sm-10 col-sm-offset-2">
  <div class="input-group form-group">
    <input type="text" class="form-control"/>
    <span class="input-group-btn">
      <button type="button" class="btn btn-primary">Go!</button>
    </span>
  </div>
</div>