body {
  margin-left:2em;
  margin-right:2em;
  line-height:150%;
  color: black;
  background-color: #FFFFF0;
}

A:link    {
  color:#0000ff;
  background-color: #FFFFF0;
}
A:visited {
  color:#ff0000;
  background-color: #FFFFF0;
}
A:hover   {
  text-decoration:none;
  color:#C300FF;
  background-color: #FFFFF0;
}

h1 {
   text-align: center;
   font-size: 150%
}

h2 {
   font-size: 130%
}

blockquote {
   border-width: 0px 0px 0px 3px; border-style: solid;
   margin-right: 2em;
   margin-left: 2em;
   padding-left: 1em;
}

pre {
   background-color: #AFFFC0;
   margin-right: 3em;
   margin-left: 3em;
   padding-left: 1em;
   padding-right: 1em;
}

.anote {
  color: #800000;
  background-color: #FFFFF0;
}

.preface {
  margin-left: 4em;
  margin-right: 4em;
  margin-top: 0px;
  margin-bottom: 0px;
  line-height:120%;
  font-size: smaller;
  background-color: #FFFFF0;
}

img.photo {
	float: left;
	margin: 10px;
	border: 0;
}

img.amazon {
	border :none;
	margin : 1em 1em 1em 0.5em;
	float : left;
}

img.amazon_right {
	border :none;
	margin : 1em 1em 1em 0.5em;
	float : right;
}