.backbutton {
  margin: 1em 0;
  width: 9em;
  font-family: helvetica,arial,sans-serif;
  font-size: 80%;
  font-weight: bold;
}
.backbutton a {
  display: block;
  width: 100%;
}
.backbutton a:link,
.backbutton a:visited,
.backbutton a:hover {
  background-color: #AA0000;
  color: #000;
  text-decoration: none;
}
.backbutton a:link,
.backbutton a:visited {
  border-top: 1px solid #cecece;
  border-bottom: 2px solid #4a4a4a;
  border-left: 1px solid #cecece;
  border-right: 2px solid #4a4a4a;
}
.backbutton a:hover {
  border-bottom: 1px solid #cecece;
  border-top: 2px solid #4a4a4a;
  border-right: 1px solid #cecece;
  border-left: 2px solid #4a4a4a;
}
.backbutton span.w3c {
  padding: 0 0.4em;
  background-color: #000;
  color: #0c479d;
}