<div>
<div id="bar"></div>
<div id="header" class="container-fluid">
    <div class="row">
        <div class="col-xs-3 headerItem">1</div>
        <div class="col-xs-6 headerItem">2</div>
        <div class="col-xs-3 headerItem">3</div>
    </div>
</div>