body {
 background: #cccccc;
}

#wrapper {
 font-family: monospace;
 font-size: 18px;
 line-height: 1em;
 white-space: pre;
 background: #ffffff;
 color: #000000;
 border: 2px solid green;
 width: 900px;
 margin: 0 auto;
 height: 612px;
 min-height: 612px;
}