Yii2 framework学习笔记(二) -- ui结构与美化

<div class="container">  
       <?= Breadcrumbs::widget([  
           'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : [],  
       ]) ?>  
       <?= Alert::widget() ?>  
<!-- wrap the exist content with a div having class 'container' -->  
<div class="container">  
       <?= $content ?>  
</div>  
   </div>

.wrap {  
    background: #8786b7;  
}  
  
.footer {  
    background: url(../image/footer-bg.png);  
    height: 114px;  
}  
  
.footer .container {  
    background: url(../image/footer.png) no-repeat center;  
    height: 100%;  
    padding-top: 80px;  
}  
  
.breadcrumbbar {  
    background: url(../image/header-bg.png);  
    height: 185px;  
    margin-top: 51px;  
    margin-bottom: -1px;  
}  
  
.breadcrumbbar .container {  
    background: url(../image/header.png) no-repeat right;  
    height: 100%;  
}  
  
.breadcrumb {  
    float: left;  
    <span style="white-space:pre">    </span>margin-top: 120px;  
}