[HTML] How to create different object at different layer

[HTML] How to create different object at different layer

CSS :



#abc

{

    position:     absolute;  /* Put the object after the last one */

    background:  #FFFFFF;

    height:       25px;

    width:        90px;

    left:         415px;   /* Control the position of object */

    opacity:      0;  /* parameter = 0      Can't see any object */

    z-index:      2;        /* Put the object at the z coordinate */

}

HTML :

<div id=abc ></div>