5.4. CSS Positioning Basics
The box model we've been examining so far in this chapter applies within groups of content. Generally, you use a <div> tag to group together collections of related content and to assign CSS styles to such a group.
But CSS Positioning (CSS-P) involves more than working with individual groups of related information. The connections between groups of content on an HTML page are equally important in determining the layout of the page. The primary CSS property involved in these connections is the position property.
The position property takes a single constant value. The value determines how the block is positioned on the page. The two most frequently used values for the position property are absolute and relative. Another ...