Keep the placement and style of your navigational elements consistent. It's almost always a good idea to include navigational options at the bottom of a long document. No one likes to read through a document and have to scroll all the way to the top to move on. Enliven Your Site Lively use of graphics and format can capture and hold a user's interest. One way to enliven a site is to use contrast.
Contrast is the positioning of dissimilar visual elements on a page.
However, if you plan to go beyond a simple effect, consult a designer. The correct use of graphics and format is both a talent and a skill that requires training. If you aren't able to use a designer, test your graphics and layout with a representative sample of your audience. Find out if the graphics and layout contribute to the communication of your message. Clear and interesting writing is the most important aspect of an effective site.