<div class="pull-right box-tools">
<button type="button" class="btn btn-box-tool" onclick="javascript:history.back(-1)">
<i class="fa fa-fw fa-arrow-left"></i>返回
</button>
</div>
<div class="pull-right box-tools">
<button type="button" class="btn btn-box-tool" onclick="javascript:history.back(-1)">
<i class="fa fa-fw fa-arrow-left"></i>返回
</button>
</div>