However, processing instructions are similar to cascading style sheets (CSS) for HTML documents.

不过，处理指令与HTML文档的级联样式表(CSS)类似。

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Cascading style Sheets (CSS) : CSS is a stylesheet language used to describe the presentation of HTML documents.

层叠样式表(Cascading Style Sheets, CSS)： CSS是一种用于说明HTML文档表示的样式表语言。

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Several standard Struts tag libraries are defined for use within the JSP, and the rewrite tag from the struts-html tag library is used to link to the appropriate cascading style sheets.

定义了几个标准的 Struts 标记库以便在这个 JSP 中使用，struts-html 标记库中的 rewrite 标记被用来链接到适当的级联样式表。

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RightDoc is now delivering RightDoc 2.0, a business document writer that uses XML and Cascading Style Sheets (CSS) as its file formats, and can output HTML, Portable Document Format, and PostScript formats.

CNN: XML comes of age at Internet World