.function    { font-weight: bold; color: blue; background-color:
               rgb(220,220,220); border: 1px solid rgb(128,128,128);
               padding: 8 }
.section     { font-size: large; font-weight: bold; margin-top: 6mm; margin-bottom: 3mm }
.tabenum     { margin-left: 8mm }
.fontfat     { font-size: 12pt; font-weight: bold }
.infobox     { margin-left: 4mm; margin-right: 4mm; background-color: rgb(248,248,240); border: 1px solid rgb(128,128,128); padding: 8 }
.block       { text-align: justify; margin-left: 4mm; margin-right: 4mm }
.fancy       { font-weight: bold; font-style: italic; color: darkred }
.warning     { color: darkred }
.comment     { color: green }

@media screen { .navi { } }
@media print  { .navi { display: none; }  .index { display: none; } }