The guidelines that I set forth here are not on their own unique or original, but rather my philosophy based on the advice offered by many other webmasters and my own trial and error learning experience. It is not a word processing or desktop publishing tool. The sooner you come to grips with this fact, the faster you will become an effective webmaster. Even if everyone were to use the same browser, not everyone would have the same resolution as you. It really never was intended to be as specific as a word processor, and its fundamental structure reflects this.
Nobody owns the web.
Therefore, standards are rather difficult to enforce. Assume everyone has their screen set to 640x480 and 256 colors. This minor detail is very often overlooked by web authors. Causes text to be obscured by side margin artwork. Forces the user to use the right-left scroll bar to read the text.