1 <div class="row">
2 <div id="three-different-zones-first" class="col-xs-12 col-sm-3 col-md-3">${page_content_col1}</div>
3 <div id="three-different-zones-second" class="col-xs-12 col-sm-4 col-md-4">${page_content_col2}</div>
4 <div id="three-different-zones-third" class="col-xs-12 col-sm-3 col-md-3">${page_content_col3}</div>
5 </div>