body {
  font-family: sans-serif;
  margin-left: 5ex;
  margin-right: 5ex;
  margin-top: 5ex;
}

p {
  margin-top: 2ex;
  margin-bottom: 2ex;
}

img {
  margin-top: 5px;
  border-width: 0px;
}

h1 {
  white-space: nowrap;
  margin: 0px;
}

div#navigation {
  position: absolute;
  top: 14ex;
  left: 5ex;
  right: 5ex;
  border-color: #aaaaaa;
  border-width: 1px;
  border-top-style: solid;
  border-bottom-style: solid;
  padding-top: 5px;
  padding-bottom: 5px;
}

.first {
  margin-top: 12ex;
}

h2.first {
  margin-top: 8ex;
}

table.first {
  border-collapse: collapse;
  border: 0px solid black;
}

table.first p.first {
  margin-top: 0px;
}

table.first td {
  padding: 0px;
}

td.example {
  vertical-align: top;
}

#example {
  border-color: #aaaaaa;
  border-width: 1px;
  border-style: dashed;
/*
  font-size: smaller;
*/
  margin-top: 0px;
  margin-bottom: 20px;
  margin-left: 20px;
  margin-right: 0px;
  padding: 20px;
}

#example div.caption {
  font-weight: bold;
  font-size: smaller;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

table#classes {
  margin: 20px;
  border-collapse: collapse;
  border: 1px solid black;
}

table#classes th, table#classes td {
  border: 1px solid black;
  padding: 5px;
}

table#threecol tr td {
  padding-left: 10px;
  padding-right: 10px;
}

address {
/*
  border-color: #aaaaaa;
  border-width: thin;
  border-top-style: solid;
  border-bottom-style: solid;
*/
  padding-top: 5px;
  padding-bottom: 5px;
}

.new {
  font-size: smaller;
  font-weight: bold;
}