absolute positioning definition

Absolute positioning is one way that an element can be positioned with CSS. If an element is positioned absolutely, the box of an element is taken out completely from the document’s flow; it is placed in relation to its containing block.  This containing block can be the original containing block or another element.  The area the element would have occupied in the document is taken over as if the element were never there.  The positioned element creates a block box despite the kind of box it would have created had it been in the regular flow of the documen