Static |
This is the normal positioning mode, block by block. |
Relative |
This box is calculated like the normal positioning mode, then it is offset of the given left and top value. |
Absolute |
This box position is absolute and follow left, top, right bottom positions from the containing (parent) block. |
Fixed |
Act like the absolute case, except that the box's position are relative to the viewport and not the containing block. |