#Z-index
Defines the order of the elements on the z-axis. It only works on positioned elements (anything apart from static).-
z-index: auto ;
defaultThe order is defined by the order in the HTML code:
- First in the code = behind
- Last in the code = in front
-
z-index: 1 ;
The z-index value is relative to the other ones. The target element is move in front of its siblings.
-
z-index: -1 ;
You can use negative values. The target element is move in behind its siblings.
