For example, you can change the font size or colour. A predefined Header Area is available only for notes and handouts. If you want a header on all slides, you can move the Footer Area on the slide master to the top.
预定义的“页眉区域”只对备注和讲义是可用的。如果您想使某个页眉应用于全部幻灯片，可以将幻灯片母版上的“页脚区域”移动到顶端。