body { background-color: white; margin: 3pc; font-family: sans-serif }
h1, h2, h3 { font-family: sans-serif }
h3 { font-style: oblique }

th { font-family: sans-serif; vertical-align: top; text-align: left }
table.gray td { background-color: #cccccc }
table.gray th { background-color: #aaaaaa }

pre { margin-left: 1pc }
img { border: 0pt }