body { 
	background-color : #FFFFFF; 
	color: #000000; 
	font-family: sans-serif;
	font-size: 11pt;
}

h2 { 
	font-size: 12pt; 
	margin-top: 4ex; 
	text-decoration: none; 
	font-weight: bold; 
	width: 60%; margin-left: auto; margin-right: auto;
}

.head {
	width: 60%; margin-left: auto; margin-right: auto;
}

.head h2  { font-size: 14pt; text-align: center; margin-top: 3em }
.head h3  { font-size: 12pt; text-align: center; margin-top: 2ex }
.authors { 
  font-size: 12pt; 
  margin-top: 2ex; 
  text-align: center; 
}

a { text-decoration: none; color: #0000FF; }
a:visited { color: #000099; }
a:hover { text-decoration: underline; color: #0000C0; }
a:active { color: #0066FF; }

.abstract {
  width: 60%;
  margin-left: auto;
  margin-right: auto;  
  text-align: justify;
}

.download {
  width: 60%;
  margin-left: auto;
  margin-right: auto;    
}

.sources {
  width: 60%;
  margin-left: auto;
  margin-right: auto;    
}

.bibtex {
  width: 60%;
  margin-left: auto;
  margin-right: auto;  
}

address { 
	margin-top: 6ex; 
	font-style: normal; 
	font-size: 9pt;
	text-align: right;
	width: 60%;  
	margin-left: auto;
	margin-right: auto;    
}

.modified { 
  font-size: 6pt;
  text-align: right;
  width: 60%;  
  margin-left: auto;
  margin-right: auto;    
}