dd {
  display: block;
  white-space: pre;
  margin: 1.0em;
  font-family: Courier,monospace; 
  color: black; 
  background-color: #efe;
  border: solid thin; 
  font-weight: normal;
  padding: 0.4em;
  width: 600px;
  z-index: 0;
  overflow: auto;
  line-height : 1.2;
  padding : 1em 2em;
  border-width : medium;
  border-style : outset;
  -moz-border-radius: 1em;
}