H1   { text-align: center; margin-top: 12px }
H2      { color: #55a; font-weight: bold; font-size: larger; background-color: #ffc; padding: 4px 4px 2px; border: solid 2px #55a; width: auto }
H3    { color: #fff; background-color: #55a; padding: 4px 4px 2px; border: solid white; width: 100% }
H4 { color: olive; background-color: #ffc; padding: 4px 4px 2px; border: solid 1px olive; width: 80% }
.comment  { color: maroon; font-style: italic }
.conversation { color: teal; font-style: italic }
.figure { color: navy }
STRONG { color: fuchsia; font-style: oblique }
DIV.src-code { font-size: -2; background-color: #dcdcdc }
PRE.src-code { }