Primefaces组件CSS定制 [英] Primefaces components CSS customization

问题描述

正如我在质朴文档中所见，

As I see in the primefaces documentation,

    1) To change the font-size of PrimeFaces components globally, use the `.ui-widget` style class. 
       An example with 12px font size.

        .ui-widget,
        .ui-widget .ui-widget {
               font-size: 12px !important;
         }

我对此有2个问题:

1. 为什么在上面的代码中将.ui-widget写成三次?

对于tabView的两个不同实例，我想以不同的方式自定义其标头的背景颜色，但是我找不到找到这种方法的方法.甚至有可能吗?

For two different instances of tabView I want to customize its header background-color differently, but I couldnt find a way to do that. Is that even possible ?

推荐答案

在样式声明中，它们用逗号分隔了不同类替代的列表.具体来说，这条CSS状态:

In the style declaration they are comma delimiting the list of different class overrides. Specifically this piece of css states:

具有类ui-widget的元素的类和ui-widget子元素.

Classes ui-widget and ui-widget child elements of an element that has the class ui-widget.

就标题背景而言，您可能不希望使用简单的CSS来修改背景颜色，因为我相信可能会重复使用各种不同的1px宽的GIF或JPG图像，而不是连续的连续声明的颜色.

As far as the header background is considered you might not have luck using simple CSS to modify the background color as I believe that it is likely using various different 1px wide GIF or JPG images repeated as opposed to a solid contiguously declared color.

如果要使用自己的样式表自定义Primefaces组件的默认主题，则最好查看Firebug之类的工具，

If you want to customize the default themes of the Primefaces components with your own stylesheets then you are best to look into a tool like Firebug, https://addons.mozilla.org/en-US/firefox/addon/firebug/ for inspecting classes, styles and modifying them real time on ANY web page that Firefox is currently viewing. It even has built in Javascript debugging.

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