.button {
	background-color: lightyellow;
	color: darkblue;
	border: 1px solid black;
}

.cache {
	visibility: visible;
	display: none;
}

h1 {
	text-align: center;
}

ol {
	list-style: none;
	counter-reset: books-counter;
	padding: 0;
}

div.title {
	counter-increment: books-counter;
}

div.title:before {
   margin-right: 10px;
   content: counter(books-counter) ".";
   display: inline-block;
}

dt {
	color: indigo;
	font-weight: bold;
}

dd {
	color: DarkGreen;
}

p {
	color: green;
}

div.title {
	color: blue;
	font-size: 150%;
	background-color: lightgrey;
	font-weight: bold;
	padding: 0.5em;
	margin-left: 0;
	margin-top: 1em;
	margin-bottom: .5em;
}

table, th, td  {
	border: 1px solid black;
	padding: 4px;
}

table {
	border-collapse: collapse;
}