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<body>
  <div class="flip3D">
    <div class="back"><h3>crayons</h3></div>
    <div class="front"><div class="chinese"><h1>蜡笔</h1></div><div class="pinyin"><h3>là&thinsp;bǐ</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>building blocks</h3></div>
    <div class="front"><div class="chinese"><h1>积木</h1></div><div class="pinyin"><h3>jī&thinsp;mù</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>balloon</h3></div>
    <div class="front"><div class="chinese"><h1>气球</h1></div><div class="pinyin"><h3>qì&thinsp;qiú</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>ball</h3></div>
    <div class="front"><div class="chinese"><h1>球</h1></div><div class="pinyin"><h3>qiú</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>toy</h3></div>
    <div class="front"><div class="chinese"><h1>玩具</h1></div><div class="pinyin"><h3>wán&thinsp;jù</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>teddy bear</h3></div>
    <div class="front"><div class="chinese"><h1>小熊</h1></div><div class="pinyin"><h3>xiǎo&thinsp;xióng</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>doll</h3></div>
    <div class="front"><div class="chinese_long"><h1>洋娃娃</h1></div><div class="pinyin_long"><h3>yáng&thinsp;wá&thinsp;wá</h3></div></div>
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