blocks|key|549786|text|css3提供了多个背景：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|549787|http://www.w3.org/TR/2005/WD-css3-background-20050216/#layering|offset|length|549788|但是，较旧的浏览器不支持css3。特别是，IE8和更低版本不支持它-+IE9支持。|549789|您可以使用css3pie在较旧版本的IE中强制支持css3，但它可能会有点慢，并且有一些错误。|549790|如果你需要支持IE6，我认为最好继续使用你现有的方法。|549791|编辑：|style|BOLD|549792|语法将如下所示：|549793|background-image:+url(../bg/graph-paper-background.png),+url(../bg/prospectus-science-line.png);
background-repeat:+no-repeat,+repeat-y;|code-block|syntax|javascript|549794|entityMap|0|LINK|mutability|MUTABLE|url|1|http://css3pie.com/^0|0|0|1R|0|0|0|5|7|1|0|0|0|3|0|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|16|8|@]|9|@$D|17|E|18|1|19]]|A|$]]|$1|F|3|G|5|6|7|1A|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|1B|8|@]|9|@$D|1C|E|1D|1|1E]]|A|$]]|$1|J|3|K|5|6|7|1F|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|1G|8|@$D|1H|E|1I|N|O]]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1J|8|@]|9|@]|A|$]]|$1|R|3|S|5|T|7|1K|8|@]|9|@]|A|$U|V]]|$1|W|3|-4|5|6|7|1L|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|C]]|13|$5|Z|10|11|A|$12|14]]]]

css3 has provision for multiple backgrounds: 

<a href="http://www.w3.org/TR/2005/WD-css3-background-20050216/#layering" rel="nofollow">http://www.w3.org/TR/2005/WD-css3-background-20050216/#layering</a>

However, older browsers do not support css3. In particular, IE8 and below do not support it - IE9 does.

You can use <a href="http://css3pie.com/" rel="nofollow">css3pie</a> to force support for css3 in older versions of IE, but it can be a little slow, and has some bugs.

If you need to support IE6 it is best to continue using your existing method, I think.

EDIT:

The syntax will look something like this:

<pre><code>background-image: url(../bg/graph-paper-background.png), url(../bg/prospectus-science-line.png);
background-repeat: no-repeat, repeat-y;
</code></pre>

blocks|key|636459|text|您可以使用诸如:after或:before这样的伪元素来执行此操作：http://jsfiddle.net/JUsXx/|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|636460|或者您可以使用CSS3多背景：http://www.css3.info/preview/multiple-backgrounds/+(实时示例：http://jsfiddle.net/JUsXx/1/)|636461|entityMap|0|LINK|mutability|MUTABLE|url|http://jsfiddle.net/JUsXx/|1|http://www.css3.info/preview/multiple-backgrounds/|2|http://jsfiddle.net/JUsXx/1/^0|Y|Q|0|0|F|1E|1|20|S|2|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]|$A|Z|B|10|1|11]]|C|$]]|$1|F|3|-4|5|6|7|12|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]|P|$5|I|J|K|C|$L|Q]]]]

You can use psuedo elements like :after or :before to do this: <a href="http://jsfiddle.net/JUsXx/" rel="nofollow">http://jsfiddle.net/JUsXx/</a>

Or you can use CSS3 multiple backgrounds: <a href="http://www.css3.info/preview/multiple-backgrounds/" rel="nofollow">http://www.css3.info/preview/multiple-backgrounds/</a> (live example: <a href="http://jsfiddle.net/JUsXx/1/" rel="nofollow">http://jsfiddle.net/JUsXx/1/</a>)

blocks|key|4673939|text|CSS伪的:before和:after将在这里为您提供帮助。它们也比CSS3的多种背景更兼容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4673940|.science_wrap+{
+++background-image:+url(../bg/graph-paper-background.png);
+++width:100%25;
+++height:+694px;
+++margin:+0+auto;
}

.science_wrap:before+{
++++content:'';
++++display:block;
++++background-image:+url(../bg/prospectus-science-line.png);
++++width:100%25;
++++height:+694px;
}|code-block|syntax|javascript|4673941|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

CSS Pseudo's :before and :after will help you here. They are also more compatible than CSS3's multiple backgrounds.

<pre><code>.science_wrap {
 background-image: url(../bg/graph-paper-background.png);
 width:100%;
 height: 694px;
 margin: 0 auto;
}

.science_wrap:before {
 content:'';
 display:block;
 background-image: url(../bg/prospectus-science-line.png);
 width:100%;
 height: 694px;
}
</code></pre>

I have a div that i want to apply two backgrounds to it. Basically I have one small picture that will be repeated all over the div, and another big one (no repeats). 
I tried to make two divs of the same size layed one upon the other and here is the CSS code it works but I want to do it in a more fashionable way.

<pre><code>.science_wrap{
background-image: url(../bg/graph-paper-background.png);
width:100%;
height: 694px;
margin: 0 auto;
</code></pre>

}

<pre><code>.science {
background-image: url(../bg/prospectus-science-line.png);
width:100%;
height: 694px;
margin: 0 auto;
</code></pre>

}

Also, i have another div which will have one strip on the top (i have a bg image for it) and I want to put upon it another picture, any tips or tricks to do this?

Two backgrounds upon each other with CSS

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有一个div，我想给它应用两个背景。基本上，我有一个小图片，它将在整个div中重复，而另一个大图片(没有重复)。我试着做两个相同大小的div，一个放在另一个上面，下面是它工作的CSS代码，但我想用一种更时髦的方式。.science_wrap{background-image: url(../bg/graph-pape...

问使用CSS将两个背景相互覆盖
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