TABLE {
border-style: none;
{

HR.dark90 {
width: 80%;
}

/* layout */

}
DIV.navprevious {
 position: absolute;
 left: 15em;
 top: 90em;
 border-style: none;
 border: none;
}

DIV.navnext {
 position: relative;
 right: 15em;
 top: 90em;
 border-style: none;
 border: none;
}