在IE中动画svg + xml base 64 css背景＆gt; 9（不关心以前的版本）不起作用，适用于Firefox和其他人。
这是背景属性：
背景：网址（＆＃34;数据：图像/ SVG + xml的; BASE64，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 + CiAgICAgIDxhbmltYXRlIHJlcGVhdENvdW50PSJpbmRlZmluaXRlIiBkdXI9IjAuNnMiIGJlZ2luPSIwcyIgdmFsdWVzPSIxMDsgMjA7IDEwIiBhdHRyaWJ1dGVUeXBlPSJYTUwiIGF0dHJpYnV0ZU5hbWU9ImhlaWdodCIvPgogICAgICA8YW5pbWF0ZSByZXBlYXRDb3VudD0iaW5kZWZpbml0ZSIgZHVyPSIwLjZzIiBiZWdpbj0iMHMiIHZhbHVlcz0iMTA7IDU7IDEwIiBhdHRyaWJ1dGVUeXBlPSJYTUwiIGF0dHJpYnV0ZU5hbWU9InkiLz4KICAgIDwvcmVjdD4KICAgIDxyZWN0IG9wYW 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 + CiAgICA8L3JlY3Q + CiAgICA8cmVjdCBvcGFjaXR5PSIwLjIiIGZpbGw9IiMwMDkxZmYiIGhlaWdodD0iMTAiIHdpZHRoPSI0IiB5PSIxMCIgeD0iMTYiPgogICAgICA8YW5pbWF0ZSByZXBlYXRDb3VudD0iaW5kZWZpbml0ZSIgZHVyPSIwLjZzIiBiZWdpbj0iMC4zcyIgdmFsdWVzPSIwLjI7IDE7IC4yIiBhdHRyaWJ1dGVUeXBlPSJYTUwiIGF0dHJpYnV0ZU5hbWU9Im9wYWNpdHkiLz4KICAgICAgPGFuaW1hdGUgcmVwZWF0Q291bnQ9ImluZGVmaW5pdGUiIGR1cj0iMC42cyIgYmVnaW49IjAuM3MiIHZhbHVlcz0iMTA7IDIwOyAxMCIgYX R0cmlidXRlVHlwZT0iWE1MIiBhdHRyaWJ1dGVOYW1lPSJoZWlnaHQiLz4KICAgICAgPGFuaW1hdGUgcmVwZWF0Q291bnQ9ImluZGVmaW5pdGUiIGR1cj0iMC42cyIgYmVnaW49IjAuM3MiIHZhbHVlcz0iMTA7IDU7IDEwIiBhdHRyaWJ1dGVUeXBlPSJYTUwiIGF0dHJpYnV0ZU5hbWU9InkiLz4KICAgIDwvcmVjdD4KICA8L3N2Zz4 =＆＃34）不重复滚动中心中心透明的;
如果有人知道为什么IE中没有动画＆gt; 9它会很棒！
非常感谢。