css animation column-width 实例 - 自学教程(runoops.com)

<!DOCTYPE html>
<html>

<head>
	<meta charset="utf-8">
	<title>css animation column-width 实例 - 自学教程(runoops.com)</title>
	<style>
		#myDIV {
			border: 1px solid black;
			/* Firefox */
			-moz-column-width: 300px;
			/* Chrome, Safari, Opera */
			-webkit-column-width: 300px;
			-webkit-animation: mymove 5s infinite;
			/* Standard syntax */
			column-width: 300px;
			animation: mymove 5s infinite;
		}

/* Chrome, Safari, Opera */
		@-webkit-keyframes mymove {
			50% {
				-webkit-column-width: 100px;
			}
		}

/* Standard syntax */
		@keyframes mymove {
			50% {
				-moz-column-width: 100px;
				/* Firefox */
				column-width: 100px;
			}
		}
	</style>
</head>

<body>

<p>column-width 属性支持动画效果。</p>
	<p><b>注意：</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 动画。</p>

<p>逐步改变列间的宽度，从 300px 到 100px:
	<p>
	<div id="myDIV">
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		dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper
		suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in
		vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et
		iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
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		Investigationes demonstraverunt lectores legere me lius quod ii legunt saepius.
	</div>

</body>

</html>