mfa dt bootcamp web class css positioning example 6: stretching block elements using position absolute & offset

<!DOCTYPE html>

<html>
<head>
    <meta charset="utf-8">
    <title>Boxes positioned absolute and streched out</title>
    <style>
        h1, h3 {
          z-index: 10;
          text-align: center;
        }
        div {
          z-index: -9;
        }
        #box_1 { 
          position: absolute; 
          top: 10px; 
          right: 10px; 
          bottom: 10px; 
          left: 10px; 
          background: #44accf; 
        }
        #box_2 { 
          position: absolute; 
          top: 20px; 
          right: 20px; 
          bottom: 20px; 
          left: 20px; 
          background: #ff9c34; 
        }
    </style>
</head>
<body>
    <h1>Two boxes positioned absolute and streched out</h1>
    <h3>The blue box has top, right, bottom, left set to 10px</h3>
    <h3>The orange box has top, right, bottom, left set to 20px</h3>
    <div id="box_1"></div>
    <div id="box_2"></div>
</body>
</html>