When it comes right down to it, positioning is a very compelling technology. It's also likely to be an exercise in frustration if you're trying to get it to behave consistently in a cross-browser environment. The problem isn't so much that it won't work in some browsers: it's that it will only sort of work in a number of them, such as Navigator 4 and Internet Explorer 4 and 5. It can be great fun to play with positioning, and one day we'll be able to use it in place of tables and frames while dramatically improving accessibility and backward compatibility. As of this writing, though, it remains a great way to create design prototypes, but a tricky thing to use on a public web site.
As it happens, this sentiment may be applied to the majority of CSS2, which is given an overview in the next chapter.
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As Figure 4-14 shows, this will center the image.
For Western languages, which are read from left to right, the default value of text-align will be left, with text lining up on the left margin and having a ragged right margin (otherwise known as "left-to-right" text). Other languages, such as Hebrew and Arabic, will default to