body {
  background-color: #fff;
  font-family: sans-serif;
}

#container {
  margin: 5px left;
  width: 740px;
}

#header a {
  background-image: url(../images/dualisanoob.png);
  display: block;
  height: 110px;
  width: 100%;
  text-decoration: none;
}

#header a span {
  visibility: hidden;
}

#footer {
  width: 100%;
  text-align: left;
  clear: both;
}

.footer_text {
  font-size: 10px;
  color: #000;
}

.footer_text a {
  color: #000;
}
	
.footer_text a:hover {
  color: gray;
}
	
.navigation_header {
  font-size: 16px;
  color: gray;
  margin: 0px;
}

#content {
  width: 575px;
  float: left;
  padding-top: 5px;
}

#vertinav {
  width: 160px;
  float: right;
  padding-top: 5px;
}
	
#vertinav ul {
  list-style: none;
  display: inline;  
}

#vertinav li a {
  margin-left: 6px;
  text-decoration: none;
  padding-left: 3px;
}

#vertinav li a:hover {
  color: gray;
}
	
p {
  color: #000;
  font-size: 13px;
  margin: 0 5px 20px 5px;
  text-align: justify;
}
	
a {
  color: #000;
  text-decoration: underline;
}
	
a:hover {
  color: gray;
  text-decoration: none;
}

.code {
  white-space: pre;
  font-family: monospace;
}