If one or more of these elements is shared by all pages within the site, then the user is less likely to become disoriented. In some cases a site may contain a subsite such as a multi-page online publication or directory. In that event, the appearance of the subsite should be consistent within itself but also contain one or more graphic or textual elements in common with those of the main site. Text - Keep your background pattern simple. When creating background patterns always consider that type will be placed over it.
Text is difficult to read when the background is busy.
Avoid dark background colors with light or white type. It makes text difficult to read. Try to use black text on a light, simple background. Using Typography - When using typography, never use more than two typefaces. These fonts should be in contrast from one another.