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→Using overlying Layers
In this example we will look at the <nowiki><div></nowiki> tag but the concepts are the same for <nowiki><iframe></nowiki>.
First we need to create our layers and set up some styles so that they are positioned and distinguished by colors:
<pre>
<style type="text/css">
#layer1 {
background-color: yellow;
height:90px;
width:90px;
left:0px;
top:0px;
}
#layer2 {
background-color: red;
height:90px;
width:90px;
left:0px;
top:0px;
}
#layer3 {
background-color: blue;
height:90px;
width:90px;
left:0px;
top:0px;
}
</style>
<p id="layer1">This is layer 1</p>
<p id="layer2">This is layer 2</p>
<p id="layer3">This is layer 3</p>
</pre>
