修改帝国CMS默认提示框样式为layui

<link href="<?=$public_r[newsurl]?>hmb2019/css/layui.css" rel="stylesheet" type="text/css">
<div class="layui-container" >
 <div class="layui-card" style="width:400px;box-shadow: 1px 1px 40px rgba(0,0,0,.3);margin: 0 auto;margin-top:20%">
        <div class="layui-card-header" style="border-bottom: 1px solid #eee;background-color: #F8F8F8;">信息提示</div>
        <div class="layui-card-body" style="text-align: right;" ><br>
         <p style="text-align: center;font-size: 1.3em"><?=$error?></p><br>
          <a style="text-align: right;" href="<?=$gotourl?>" class="layui-btn layui-btn layui-btn-normal">点击返回</a>
        </div>
</div>
</div>