h1 { font-family: Arial; font-size: 250%; text-underline-offet: 0.5ex; text-align: center; }
h2 { font-family: Arial; }
a  { font-family: Arial; }
body>p,ul,ol,pre { margin-left: 5%; width: 90%; }

img { margin-left: 5%; width: 10%; border: solid black 1px; }