body {
   margin: 0 auto;
   max-width: 800px;
   padding: 1em;
}

#suggested_readings {
   border: 1px solid #bbb;
   border-collapse: collapse;
   margin: 0 auto;
   table-layout: fixed;
}

#suggested_readings td{
   border: 1px solid #bbb;
   padding: 5px;
   width: 120px;
}

h1 {
   text-align: center;
}

h3 + p > img {
   float:right;
   padding-left: 15px;
}

h3 + p + p {
   clear: right;
   padding-top: 10px;
}

footer p {
   text-align: center;
}

.tt {
   font-family: "Monaco", monospace;
}

.underscore {
   text-decoration: underline;
}

#textbook_image_container {
   float: left;
   padding-right: 1em;
}

#textbook_readings {
   clear: left;
   padding-top: 1em;
}

dt {
   font-weight: bold;
}