Css z-index

Css z index

img {
  position: absolute; 
  /*position: relative;
  //position: fixed;*/
  left: 0px;
  top: 0px;
  z-index: -1;
}

The z-index property specifies the stack order of an element.

Css z-index

#nav {
  position: fixed;
  ...
  z-index: 2;
}
#main {
  position: absolute;
  ...
  z-index: 1;
}

Highest possible z index

z-index: 2147483647;

Comment mettre une div en premier plan

#div1
{
    z-index: 1;
}
 
#div2{
    z-index: 10;
}

Source: openclassrooms.com

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