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I'm designing a website based on a full screen 3 column layout.
It's almost done and it works well in any browser both in 800x600 and 1024x768.
The problem I found is that the center column looks too wide, and it doesen't look comfortable to read articles in such a wide column. (specially in 1024x768)
So what I did was to add a table width 80%, centered, at the begining of the code.
Now the page looks good, it even looks a little bit more professional, and it's still good for any browser.
Does the width should be limited only to make the site more accesible?
In my case, I did it just because it does look better.
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