h1 { 
	font-size: 2.5em;  
	font-family: Georgia, "Times New Roman", Times, serif ;
	text-align: center;  
	margin-top: 40px; margin-bottom: 25px
} 

h2 { font-size: 1.5em; background-color: #BFEFFF; text-align: left;  margin-top: 50px; margin-bottom: 25px }
h3 { font-size: 1.0em; text-align: left;  margin-top: 15px; } 
 
body {
	margin: 0 auto;
	padding: 1%; 		
	max-width: 70em; 		
	font-family: Helvetica, Arial, Verdana, sans-serif; font-size: 0.8em; 
	font-size: 12px;
	border: 1px solid #aaa; 		
	border-top: 0; 		
	background: white;
}

img {
	max-width: 100%;
	height: auto;
}


.bookstyle {
	text-indent: 10em;
} 

nav ul {
	margin: 0;  
	padding: 0;   
	text-align: center;
	background-color: #D1D1D1; 
}

nav li {
	list-style: none;
	display: inline-block;
	margin: 0; 
	padding: 0;
}

nav a,
nav span {
	display: block;
	width: 100%em; 
	margin: 0 0 0 0; 
	padding: 0.5em; 
	text-decoration: none;
	font-size: 12px; 
	background-color: #D1D1D1; ;  
	-webkit-transition: all .25s ease-in;
	transition: all .25s ease-in;
}

nav a:focus,
nav a:hover,
nav span {
	color: green;  /
	background-color: #FFEC8B;  
} 

a:link {
  text-decoration: none; 
} 

a:visited {					
 color: #000099; 
  text-decoration: none;
} 
a:hover {
  background-color: #FFEC8B; 
}