<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>"this line should have a green background" lime margin offset</title>
    <style type="text/css">
      div, address {
      background-color: lime ;
      display : block ;
      margin-bottom : 1em }
    </style>
  </head>
  <body>
    <address>This address should have a green background</address>
    <div>This paragraph should have a green background</div>
    <div>This paragraph should have a green background</div>
    <div>This paragraph should have a green background</div>
  </body>
</html>