CSS3</strong></li>
			<li>2015.8.13</li>
		</ul>
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	</section>
</header>
<section id="bd">
	<section id="syntax" class="g-mod g-attr">
		<h2 class="tit">语法：</h2>
		<div class="cont">
			<p><strong>animation-duration</strong>：<a href="../../values/time/time.htm">&lt;time&gt;</a>[,<a href="../../values/time/time.htm">&lt;time&gt;</a>]*</p>
			<p><strong>默认值</strong>：<mark class="defaultvalue">0s</mark></p>
			<p><strong>适用于</strong>：所有元�