后四个样式规则设置每个代表站点主要部分的li元素的宽度。

The next four styling rules set the widths on each of the li elements representing the major sections of the sites.

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清单6演示如何使用CSS - 3根据XForms输入中的class属性为不同的元素有条件地设置宽度。

Listing 6 shows how CSS-3 can be used to conditionally set the width inside different elements that each used a different class attribute in the XForms input.

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通常来说，该元素值设定的宽度比我们需要的宽度要宽很多，所以还需使用级联样式表来设置该元素值的宽度。

Normally, this would render much wider than you need it, so you'll then use Cascading Style Sheets to set the width of its value.

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