 have its own margin-top collapse with its first inflow block-level child as long as no line boxes, no clearance, no padding and no border separate them." />

  <style type="text/css"><![CDATA[
  body {margin: 8px;}

  p {margin: 1em 0em;}

  div#overlapped-red
  {
  background-color: red;
  height: 100px;
  position: absolute;
  width: 100px;
  z-index: -1;
  }

  div#floated-left
  {
  background-color: green;
  color: green;
  float: left;
  font: 1em/1.25 serif;
  padding: 15px;
  /*

    15px : padding