body { background-attachment:fixed; color:#FFCC00 }
h1 { font-size:20pt }
h2 { font-size:13pt; font-weight:bold; font-style:italic }
p.explain { font-family:"Times New Roman",Arial; font-style:italic }
p.formula { font-family:"MS Sans Serif"; font-weight:bold; font-size:10pt }
a:link { color:#99ff99 }
a:visited { color:#00cc99 }
a:active { color:#00ff00 }