网页不透明？ [英] Opacity in web pages?

问题描述

我一直在网站上看到60-80％的不透明度。他们看起来很酷，但我不确定他们为什么这样做。它是Javascript，还是图像？
如何更改表的不透明度？

I keep seeing 60-80% opacity on tables on websites. They look really cool, but I'm not sure why they are doing it. Is it Javascript, or is it an image? How do I change the opacity of a table?

推荐答案

您可以在CSS中执行此操作，但它需要小黑客让它跨浏览器工作。

You can do it in CSS, but it requires a little hacking to get it to work cross-browser.

selector {
    filter: alpha(opacity=50); /* internet explorer */
    opacity: 0.5;           /* fx, safari, opera, chrome */
    -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(opacity=50)"; /*IE8*/
}

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