BODY {font-family : Helvetica, Arial, Sans-Serif;}
P, H1, H2, H3, UL, TD, TH {font-family : Helvetica, Arial, Sans-Serif;}
* { line-height: 1.3; }
.small   {font-size: 10pt;}
.publisher { font-variant: small-caps; }
TABLE#navbar  {
    border-style: solid;
    border-width: 1px;
    -webkit-border-radius: 1em;
    -moz-border-radius: 1em;
    border-radius: 1em;
    margin-left: auto;
    margin-right: auto;
    padding: 4px;
    width: 60%;
}
div#navbar, nav#navbar { overflow: hidden ; padding: 4px; 
    border-style: solid;
    border-width: 1px;
    -webkit-border-radius: 1em;
    -moz-border-radius: 1em;
    border-radius: 1em;
    margin-bottom: 1em }
#navtitle { text-align: center; font-weight: bold; font-size: larger; padding: 4px }
#navprev { width: 48%; float: left; text-align: left  ;  padding: 1% }
#navnext { width: 48%; float: right; text-align: right ; padding: 1% }
@media screen and (min-width:700px) {
#navbar { margin-left: auto; margin-right: auto; width:50%; }
}