move an element into its own layer and fix its position to the viewport. : position fixed « Layout « HTML / CSS

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HTML / CSS » Layout » position fixed 




move an element into its own layer and fix its position to the viewport.
 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title></title>
    <style type="text/css" media="Screen">
* .grandContainer {
  position: relative;
  z-index: 1;
  width: 800px;
  height: 800px;
  background: red;
}

#in-place {
  position: fixed;
  z-index: 1; width 600px;
  height: 600px;
  background: yellow;
}

#shrinkwrapped {
  position: fixed;
  z-index: 0;
  width: auto;
  left: 0;
  bottom: 0;
  margin: 0;
  background: blue;
}

#sized {
  position: fixed;
  z-index: auto;
  width: 170px;
  height: 115px;
  bottom: 0;
  left: 270px;
  margin: 0;
  background: gold;
}

#stretched {
  position: fixed;
  z-index: -1;
  height: auto;
  right: 0;
  top: 0;
  bottom: 0;
  margin: 0;
  background: pink;
}
</style>
</head>
<body>
<div class="grandContainer"><h2>Positioned Grandparent</h2> 
  <div class="parent">
    <h2>Non-positioned Parent</h2> 
    <span id="in-place" class="box">In-place Absolute</span> 
    <span id="sized" class="box">Sized Absolute</span> 
    <p id="stretched" class="box">Stretched Absolute</p> 
    <p id="shrinkwrapped" class="box">Shrinkwrapped Absolute</p>
  </div>
</div> 
</body>
</html>

 














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