Use z-index to change the overlap index : z index : Box Model HTML CSS TUTORIALS


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Use z-index to change the overlap index


 


<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/2000/REC-xhtml1-20000126/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  <title></title>
  <style type="text/css">
body {
  margin: 0px;
  padding: 0px;
  color: #000;
  background-color: #ccc;
}

#one {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 4;
  padding: 10px;
  background-color: #fff;
  border: 1px solid #000;
  width: 20%;
}
#two {
  position: absolute;
  top: 40px;
  left: 40px;
  z-index: 3;
  padding: 10px;
  background-color: #ccc;
  border: 1px solid #000;
  width: 20%;
}
#three {
  position: absolute;
  top: 70px;
  left: 70px;
  z-index: 2;
  padding: 10px;
  background-color: #fff;
  border: 1px solid #000;
  width: 20%;
}
#four {
  position: absolute;
  top: 100px;
  left: 100px;
  z-index: 1;
  padding: 10px;
  background-color: #ccc;
  border: 1px solid #000;
  width: 20%;
}

  </style>
</head>
<body>
  <div id="one">1</div>
  <div id="two">2</div>
  <div id="three">3</div>
  <div id="four">4</div>
</body>

</html>

 



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