index.html

<html>
<head>
<title>自由香港楷書 Web Font 示範</title>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="自由香港楷書 Web Font 示範">
<meta name="author" content="Open Source Hong Kong">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link href="css/template.css" rel="stylesheet">
<style>
@font-face {
    font-family: freehkfonts;
    src: url(Free-HK-Kai_4700.ttf);
}

div.bigfont {
   font-size: 48px;
}

#footer {
   font-size: 24px;
}

textarea.bigfont {
   font-size: 48px;
}

.freehkkai {
    font-family: freehkfonts;
}
</style>
</head>
<body>
   <nav class="navbar navbar-inverse navbar-fixed-top">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#"><span class="freehkkai">自由香港楷書示範</span></a>
        </div>
        <div id="navbar" class="collapse navbar-collapse navbar-right">
          <ul class="nav navbar-nav freehkkai">
            <li><a href="https://freehkfonts.opensource.hk">有關自由香港字型</a></li>
          </ul>
        </div>
      </div>
    </nav>
<!--- Content --->
<div class="container">
<div class="row">
  <div class="col-sm-12 col-lg-12 freehkkai bigfont">
    自由香港楷書
  </div>
</div>
</div>
<div class="container">
<div class="row">
  <div class="col-md-12 col-lg-12 form-group">
<textarea rows="4" class="form-control freehkkai bigfont" id="hk">
歡迎試打自由香港楷書
常見例子：告 房 電 滋 妙
</textarea>
  </div>
</div>
<div class="row">
  <div class="col-sm-12 col-lg-12 bigfont">
    系統預設顯示字體
  </div>
</div>
<div class="row">
  <div class="col-sm-12 col-lg-12 bigfont" id="original">
  </div>
</div>
<div class="row">
<div class="col-md-12" id="footer">
<span class="freehkkai">鳴謝</span> Credit:<br />
<span class="freehkkai">字型團隊：<a href="https://freehkfonts.opensource.hk">自由香港字型</a></span><br />
<span class="freehkkai">雲端寄存：</span><a href="https://www.udomain.hk/">UDomain Web Hosting</a><br />
<span class="freehkkai">技術支援：</span><a href="https://opensource.hk">Open Source Hong Kong</a><br />
<span class="freehkkai">原始碼：</span><a href="https://github.com/opensourcehk/kaidemo"><span class="freehkkai">本網站原始碼</span> Source Code</a> (License: General Public License 3.0)
</div>
</div>
</div>
<script>
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  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

  ga('create', 'UA-47867649-10', 'auto');
  ga('send', 'pageview');

</script>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"  integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8=" crossorigin="anonymous"></script>
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<script>
$("#hk").keyup( function() {
  document.getElementById("original").innerHTML = $(this).val().replace(/\n/g, '<br />');
});
$("#hk").trigger("keyup");
</script>
</body>
</html>