<!DOCTYPE html>
<html>
  <head>
    <title>Test mpadded</title>
    <style type="text/css">
      div#bigsquare {
        position: absolute;
        width: 100px;
        height: 100px;
        background: blue; 	
      }
      
      div#smallsquare {
        position:absolute;
        width: 20px;
        height: 20px;
        left: 20px;
        top: 60px; 	
        background: red;
      }
      /*left = lspace = 20px;
	top = heightBig - voffset - heightSmall;
            = 50 + 20 - 10
            = 60px */
      </style>
  </head>
  <body>
    <div id="bigsquare">
      <div id="smallsquare">
      </div>
    </div>
  </body> 
<html>