body { margin-left: 1en; margin-right: 1en; color: #000000; background: #FFFFFF }

h1   { text-align: center; margin-top: 1em; margin-bottom: 1en; font-size: 180% }
h2   { margin-left: 0; margin-top: 1em; margin-bottom: .5en; font-size: 130% }
h3   { margin-top: 1en; margin-bottom: 1en; font-size: 100% }

p    { margin-left: 3em; margin-top: .5en; }
pre  { text-indent: 2em }

dt   { font-weight: bold; margin-bottom: 1em }