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    .pinyin_xlong {
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</head>

<body>
  <div class="flip3D">
    <div class="back"><h3>north</h3></div>
    <div class="front"><div class="chinese"><h1>北</h1></div><div class="pinyin"><h3>běi</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>left</h3></div>
    <div class="front"><div class="chinese"><h1>左</h1></div><div class="pinyin"><h3>zuǒ</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>east</h3></div>
    <div class="front"><div class="chinese"><h1>东</h1></div><div class="pinyin"><h3>dōng</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>down</h3></div>
    <div class="front"><div class="chinese"><h1>下</h1></div><div class="pinyin"><h3>xià</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>west</h3></div>
    <div class="front"><div class="chinese"><h1>西</h1></div><div class="pinyin"><h3>xī</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>up</h3></div>
    <div class="front"><div class="chinese"><h1>上</h1></div><div class="pinyin"><h3>shàng</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>south</h3></div>
    <div class="front"><div class="chinese"><h1>南</h1></div><div class="pinyin"><h3>nán</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>right</h3></div>
    <div class="front"><div class="chinese"><h1>右</h1></div><div class="pinyin"><h3>yòu</h3></div></div>
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