HTML5小demo——cat

完整理解并写出的H5代码，H5确实方便orz，应用bootstrap响应式网格布局，还不太懂。

<link rel="stylesheet" href="//cdn.bootcss.com/font-awesome/4.2.0/css/font-awesome.min.css"/><link href="//fonts.gdgdocs.org/css?family=Lobster" rel="stylesheet" type="text/css"><style>  h2 {    font-family: Lobster, Monospace;  }  .thick-green-border {    border-color: green;    border-width: 10px;    border-style: solid;    border-radius: 50%;  }</style><div class="container-fluid">  <div class="row">    <div class="col-xs-8">      <h2 class="text-primary text-center">CatPhotoApp</h2>    </div>    <div class="col-xs-4">      <a href="#"><img class="img-responsive thick-green-border" src="/images/relaxing-cat.jpg"></a>    </div>  </div>  <img src="/images/running-cat.jpg" class="img-responsive">  <div class="row">    <div class="col-xs-4">      <button class="btn btn-block btn-primary"><i class="fa fa-thumbs-up"></i> Like</button>    </div>    <div class="col-xs-4">      <button class="btn btn-block btn-info"><i class="fa fa-info-circle"></i> Info</button>    </div>    <div class="col-xs-4">      <button class="btn btn-block btn-danger"><i class="fa fa-trash"></i> Delete</button>    </div>  </div>  <p>Things cats <span class="text-danger">love:</span></p>  <ul>    <li>cat nip</li>    <li>laser pointers</li>    <li>lasagna</li>  </ul>  <p>Top 3 things cats hate:</p>  <ol>    <li>flea treatment</li>    <li>thunder</li>    <li>other cats</li>  </ol>  <form action="/submit-cat-photo">    <div class="row">      <div class="col-xs-6">        <label><input type="radio" name="indoor-outdoor"> Indoor</label>      </div>      <div class="col-xs-6">        <label><input type="radio" name="indoor-outdoor"> Outdoor</label>      </div>    </div>    <div class="row">      <div class="col-xs-4">        <label><input type="checkbox" name="personality"> Loving</label>      </div>      <div class="col-xs-4">        <label><input type="checkbox" name="personality"> Lazy</label>      </div>      <div class="col-xs-4">        <label><input type="checkbox" name="personality"> Crazy</label>      </div>    </div>    <div class="row">      <div class="col-xs-7">    <input type="text" class="form-control" placeholder="cat photo URL" required></div>      <div class="col-xs-5">    <button type="submit" class="btn btn-primary"><i class="fa fa-paper-plane"></i> Submit</button></div>    </div>  </form></div>