       iframe[flag=bilibili]{
            width:700px; 
            height:500px;
        }
    </style>
</head>
<body>
    <!--nav-->
    {% include blog/nav.html  param='blog' %}
    <!-- Page Content -->
    <div class="container">

        <div class="row">
            <ol class="breadcrumb">
                <li><a href="{{site.baseurl}}/">首页</a></li>
                <li><a href="{{site.baseurl}}/blog">中文网Blog</a></li>
                <li class="active">正文</li>
            </ol>
          