body {
width: 800px; margin: 0 auto;
} graph {
width: 800px; height: 250px; margin: 20px auto 0 auto;
} pre {
height: 250px; overflow: auto;
}
body {
width: 800px; margin: 0 auto;
} graph {
width: 800px; height: 250px; margin: 20px auto 0 auto;
} pre {
height: 250px; overflow: auto;
}