HTML5!解决思路 _JavaScript

HTML5!
晚上没事瞎点发现了个H5的网站，雷到我了，
贴个代码量小的


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  <div class="layer1">

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            <div>

                <div>

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                        <div>

                            <div>

                                <div>

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                                            <div>

                                                <div></div>

                                            </div>

                                        </div>

                                    </div>

                                </div>

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