body {
	background-color: #427f3b;
}
.Book {
}
.Book > section {
    display: none;
    white-space: pre-line;
}
.Book > section:target {
    display: block;
}
.Book > .intro {
    display: block;
}
.Book > section:target ~ .intro {
    display: none;
}
a:link, a:visited { 
 color: #0000aa;
 text-decoration: underline;  
} 
a:hover {
 text-decoration: none;
 background-color: #0000aa;
 color: #e0e0ff;
}
table, th, td {
  border: 0px	;
  border-collapse: collapse;
  padding: 0px;
  margin: 0px;
}