body { padding-bottom: 20px }
#main { margin: 0 20px 20px 20px }

div.example { padding: 20px; margin: 5px 0 15px 0px; background: #ffe; clear:left; border: 1px dashed #ccc; text-align: left }

.pics { height: 800px;  padding:0; margin:0; overflow: hidden }
.pics img {  }

table { margin: auto; border-collapse: separate; border-spacing: 20px }
td { vertical-align: top; text-align:center; width: 235px }
#main h2 { text-align: left }
hr { margin-top: 20px; }

pre { text-align: left; overflow: visible }
code { background-color: #ffc }
pre code { background-color: #eee }