代碼如下：
<!doctype html><html><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>純CSS3多層雲彩變換動畫特效 - 何問起</title><base target="_blank" /><link href="http://hovertree.com/texiao/css3/4/hovertreeplane.css" rel="stylesheet"/></head><body><div><div></div><div></div><div></div><div></div></div><div style="text-align:center;"><a href="http://hovertree.com/h/bjaf/hvtplane.htm">原文</a> <a href="http://hovertree.com">首頁</a> <a href=" </div></body></html>
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