<div class="container-fluid">
<h2>响应式左右布局</h2>
<div class="row">
<div class="col-lg-3 col-md-3 col-sm-3 col-xs-3">
<div">
<h1>1</h1>
</div>
</div>
<div class="col-lg-9 col-md-9 col-sm-9 col-xs-9">
<div">
<h1>2</h1>
</div>
</div>
</div>
</div>