网页制作学习CSS2的打印属性

打印属性
打印HTML文档总是会出现问题。在CSS2中，我们可以借助打印属性让打印web内容更容易一些。

属性	描述	值	W3C
orphans	Sets the minimum number of lines for a paragraph that must be left at the bottom of a page	number	2
marks	Sets what sort of marks should be rendered outside the page box	none crop cross
page	Sets a page type to use when displaying an element	auto identifier	2
page-break-after	Sets the page-breaking behavior after an element	auto always avoid left right	2
page-break-before	Sets the page-breaking behavior before an element	auto always avoid left right	2
page-break-inside	Sets the page-breaking behavior inside an element	auto avoid	2
size	Sets the orientation and size of a page	auto portrait landscape
widows	Sets the minimum number of lines for a paragraph that must be left at the top of a page	number	2