#leftbar {
  visibility: hidden;
  float: left;
  width: 0px;
  /*	margin-left: auto;
	margin-right: auto;
	margin-top: 100px;
	padding-right: 10px;
*/
  border-right: solid #b6b6b6;
  border-right-width: 1px;
}

#leftbar a {
  color: Grey;
}

#leftbar a.current {
  color: Navy;
}
.content a {
  color: darkblue;
}

.content p,
.content img,
.content h2 {
  margin-top: 10px;
}

.content h2 {
  font-weight: bold;
}

.content li {
  display: block;
}

.content span.note {
  color: darkred;
}

.content table,
th,
td {
  border: 1px solid grey;
}