pre, body { max-width: 40em; margin: 0em auto; padding: 0 1em; line-height: 1.4; font-family: Courier, monospace; font-size: 16px; color: #555; background-color: #FDFDFD; }
h1, h2, h3, h4 { margin-top: 0.5em; margin-bottom: 0.5em; line-height: 1.2; }
p { margin-bottom: 1em; }
a { text-decoration: underline; color: darkblue; }
a:hover { text-decoration: none; color: magenta; }