l-background { background: teal; }
span.white-background { background: white; }
span.yellow-background { background: yellow; }

span.big { font-size: 2em; }
span.small { font-size: 0.6em; }

span.underline { text-decoration: underline; }
span.overline { text-decoration: overline; }
span.line-through { text-decoration: line-through; }


/*
 * xhtml11 specific
 *
 * */

tt {
  font-family: monospace;
  font-size: inherit;
  color: navy;
}

div.tableblock {
  margin-top: 1.0em;
  margi