tt, code, pre 
{ 
    font-family: Consolas, Monaco, "Courier New", Courier, monospace; 
}

h1, h2, h3, h4 
{
    font-family: "Palatino Linotype", Georgia, Times, "Times New Roman", serif;
    margin-left: 20px;
    margin-right: 20px;
}

p
{
    font-family: Georgia, Times, "Times New Roman", serif;
    font-size: 17px;
    line-height: 1.6em;
    margin-top: -1px;
    margin-bottom: 16px;
    margin-left: 20px;
    margin-right: 20px;
    text-align: justify;
}

ul, ol
{
    font-family: Georgia, Times, "Times New Roman", serif;
    font-size: 17px;
    line-height: 1.6em;
    margin-top: -1px;
    margin-bottom: 23px;
    margin-left: 20px;
    margin-right: 20px;
    text-align: justify;
}

pre 
{
    background: #f3f3f7;
    border: 1px solid #dedee3;
    padding: 11px;
    font-size: 12px;
    line-height: 1.3em;
    margin-bottom: 22px;
    overflow: auto;
}

.toc
{
    font-family: "Palatino Linotype", Georgia, Times, "Times New Roman", serif;
    font-size: 24px;
    text-decoration: none;
}

.tocsec
{
    font-size: 20px;
    margin-left: 2em;
}

.tocsub
{
    font-size: 18px;
    margin-left: 4em;
}

.nav a
{
    border: solid 1px #ddd;
    padding: 6px 9px;
    font-family: "Palatino Linotype", Georgia, Times, "Times New Roman", serif;
    font-size: 18px;
    text-decoration: none;
    background: #f5fff0;
    margin: 5px 20px 2px 20px;  /* top right bottom left */
    -moz-border-radius: 8px;
    border-radius: 8px;
    
}

.booktitle
{
    font-family: Georgia, Times, "Times New Roman", serif;
    font-size: 36px;
    font-style: italic;
}

.bookcredit
{
    font-family: "Palatino Linotype", Georgia, Times, "Times New Roman", serif;
    font-size: 12px;
}

.caption
{
    font-family: Georgia, Times, "Times New Roman", serif;
    font-size: 17px;
    line-height: 1.4em;
    margin-top: 16px;
    margin-bottom: 16px;
    margin-left: 20px;
    margin-right: 20px;
    text-align: justify;
}