<!DOCTYPE html>
<html>
  <head>
    <title>Test mpadded height depth</title>
    <style type="text/css">
      div#bigsquare1 {
        position: absolute;
        width: 100px;
        height: 50px;
        background: blue;
      }

      div#smallsquare1 {
        position:absolute;
        width: 20px;
        height: 20px;
        left: 0px;
        top: 30px;
        background: red;
      }
      /* left = lspace = 0;
         top = heightBig - heightSmall - voffset;
             = 50 - 10 - 10*/
    </style>
  </head>
  <body>
    <div id="bigsquare1">
      <div id="smallsquare1">
      </div>
    </div>

    <div id="bigsquare2">
      <div id="smallsquare2">
      </div>
    </div>
  </body>
<html>