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<body>
  <div class="flip3D">
    <div class="back"><h3>Britain</h3></div>
    <div class="front"><div class="chinese"><h1>英国</h1></div><div class="pinyin"><h3>yīng&thinsp;guó</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Australia</h3></div>
    <div class="front"><div class="chinese_xlong"><h1>澳大利亚</h1></div><div class="pinyin_xlong"><h3>ào&thinsp;dà&thinsp;lì yà</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Asia</h3></div>
    <div class="front"><div class="chinese"><h1>亚洲</h1></div><div class="pinyin"><h3>yà&thinsp;zhōu</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Africa</h3></div>
    <div class="front"><div class="chinese"><h1>非洲</h1></div><div class="pinyin"><h3>fēi&thinsp;zhōu</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>India</h3></div>
    <div class="front"><div class="chinese"><h1>印度</h1></div><div class="pinyin"><h3>yìn&thinsp;dù</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Germany</h3></div>
    <div class="front"><div class="chinese"><h1>德国</h1></div><div class="pinyin"><h3>dé&thinsp;guó</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Europe</h3></div>
    <div class="front"><div class="chinese"><h1>欧洲</h1></div><div class="pinyin"><h3>ōu&thinsp;zhōu</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>China</h3></div>
    <div class="front"><div class="chinese"><h1>中国</h1></div><div class="pinyin"><h3>zhōng&thinsp;guó</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>Russia</h3></div>
    <div class="front"><div class="chinese_long"><h1>俄罗斯</h1></div><div class="pinyin_long"><h3>é&thinsp;luó&thinsp;sī</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Japan</h3></div>
    <div class="front"><div class="chinese"><h1>日本</h1></div><div class="pinyin"><h3>rì&thinsp;běn</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Italy</h3></div>
    <div class="front"><div class="chinese_long"><h1>意大利</h1></div><div class="pinyin_long"><h3>yì&thinsp;dà&thinsp;lì</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Ireland</h3></div>
    <div class="front"><div class="chinese_long"><h1>爱尔兰</h1></div><div class="pinyin_long"><h3>ài&thinsp;ěr&thinsp;lán</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>United States</h3></div>
    <div class="front"><div class="chinese"><h1>美国</h1></div><div class="pinyin"><h3>měi&thinsp;guó</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Sweden</h3></div>
    <div class="front"><div class="chinese"><h1>瑞典</h1></div><div class="pinyin"><h3>ruì&thinsp;diǎn</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>Spain</h3></div>
    <div class="front"><div class="chinese_long"><h1>西班牙</h1></div><div class="pinyin_long"><h3>xī&thinsp;bān&thinsp;yá</h3></div></div>
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