twitter启动 - 井背景颜色 [英] twitter bootstrap - well background color

问题描述

我试图改变引导井的背景颜色和不透明度。我有以下CSS：

I'm trying to change the background color and opacity of a bootstrap well. I've got the following CSS:

.well {
    opacity: 0.9; /* opacity [0-1] */
    -moz-opacity: 0.9; /* opacity [0-1] */
    -webkit-opacity: 0.9; /* opacity [0-1] */
    background-color: blue;
}

透明度是工作，但背景颜色似乎没有改变。任何想法？

The opacity is working, but the background-color does not seem to change. Any ideas?

编辑小提琴，以备您想要播放-a-round

Edit fiddle added in case you want a play-a-round

推荐答案

或者你可以将它写在一行css中作为rgba。

Or you could write it in one line of css as rgba.

.well{
    background: rgba(0, 0, 255, 0.9);
}

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