If you implement the background image using Page Properties, the image always tiles both horizontally and
vertically, filling the page as just described. But if you implement your background image using Cascading
Style Sheets, you can control whether the image tiles horizontally, vertically, in both directions, or not at all.
With Cascading Style Sheets, you not only can attach a background image to a page, but you
can also attach a background image to an individual element on a page, such as a single paragraph.
Cascading Style Sheets also enable you to designate whether the background image should scroll with
the foreground text, or if it should remain stationary while the foreground text scrolls over the background.
These options are not available with the Page Properties method.
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Designing and Crafting Core Pages Part II
Tiling Images
Web designers use the tiling property of background images to create a variety of effects with very low filesize
overhead. The columns typically found on one side of Web pages are a good example of tiling.
Columns are popular because they enable the designer to place navigational buttons in a visual context. An easy
way to create a column that runs the full length of your Web page is to use a long, narrow background image.
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