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<body>
  <div class="flip3D">
    <div class="back"><h3>keyboard</h3></div>
    <div class="front"><div class="chinese"><h1>键盘</h1></div><div class="pinyin"><h3>jiàn&thinsp;pán</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>computer</h3></div>
    <div class="front"><div class="chinese"><h1>电脑</h1></div><div class="pinyin"><h3>diàn&thinsp;nǎo</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>CD</h3></div>
    <div class="front"><div class="chinese"><h1>光碟</h1></div><div class="pinyin"><h3>guāng&thinsp;dié</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>camera</h3></div>
    <div class="front"><div class="chinese_long"><h1>照相机</h1></div><div class="pinyin_long"><h3>zhào&thinsp;xiàng&thinsp;jī</h3></div></div>
  </div>

  <div class="flip3D">
    <div class="back"><h3>TV</h3></div>
    <div class="front"><div class="chinese"><h1>电视</h1></div><div class="pinyin"><h3>diàn&thinsp;shì</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>telephone</h3></div>
    <div class="front"><div class="chinese"><h1>电话</h1></div><div class="pinyin"><h3>diàn&thinsp;huà</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>radio</h3></div>
    <div class="front"><div class="chinese_long"><h1>收音机</h1></div><div class="pinyin_long"><h3>shōu&thinsp;yīn&thinsp;jī</h3></div></div>
  </div>
  <div class="flip3D">
    <div class="back"><h3>mobile phone</h3></div>
    <div class="front"><div class="chinese"><h1>手机</h1></div><div class="pinyin"><h3>shǒu&thinsp;jī</h3></div></div>
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