4 div { width:100px; height:100px }
5 .green { background-color: green }
6 .red { background-color: red }
11 You should see a green square below.
13 <div class="red" style="position:relative; z-index:0">
14 <div class="red" style="position:absolute; z-index:auto">
15 <div class="red" style="position:absolute; z-index:inherit">
16 <div class="green" style="position:absolute; z-index:1000">
20 <div class="red" style="position:absolute; z-index:100">