* { margin: 0; }
body { background: url('striped_bkgd.png'); display: block; width: 100%; height: 100%; text-align: center; }
h1 { line-height: 1.4em; }
h2 ,p { text-indent: 10px; }
pre { padding: 10px; }
#container { width: 900px; margin-left: auto; margin-right: auto; margin-top: 20px; }
#switcher { position: absolute; top: 20px; right: 20px; }
#header { }
#pageBody { margin-top: 20px; text-align: left; padding: 20px; }
.demo { padding: 20px; margin-bottom: 20px; }
.tutorial_image { text-align: center; padding: 5px; }
.centered { text-align: center; }