I'm trying to make sure I understand it fully. Suppose I want a page that is exactly 600 pixels wide and 1000 pixels tall, separated into 3 equally-spaced columns by divs with borders of 1 pixels each. Then the divs should each be 998 pixels high and 198 pixels wide, and they should be positioned I'm trying to make sure I understand it fully.
阅读背景：
关于位置/像素/ div /等，我的HTML逻辑是否正确？
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