H1  { font-size: x-large;  color: #0000af}
H2  { font-size: large;  margin-left: 10px;  color: #00008f}
H3  { font-size: large; margin-left: 22px; color: blue; margin-bottom: 10}
UL  { margin-left: 40px; margin-top: 10;  margin-bottom: 10}
P   { margin-left: 30px}
pre { margin-left: 50px}
dl  { margin-left: 40px}
BODY {background-color: #f0ffff}