.book h1.sect1, h2.sect2, h3.sect3 {	border-style:	none;
	text-decoration:	underline;
	margin-left:	0;	}
		
.book div.sect1, div.sect2, div.sect3 {	margin-left:	1em;	}
.book div.toc {	padding:	.5em 1em; }
		
.book pre.programlisting {	overflow:	auto;	}
		
.book table {	border-spacing:	1px;	}
		
.book tr th {	background-color:	#CCC; 
	font-weight:	bold;
	padding-left:	0.5em; 
	padding-right:	0.5em;	}
	
.book tr td {	background-color:	#EEE;
	padding-left:	0.5em; 
	padding-right:	0.5em;	}