body {
font-family: sans-serif;
}
.programlisting {
font-family: monospace;
font-size: 1em;
display: block;
padding: 10px;
border: 1px solid #aaa;
color: #000;
background-color: #eee;
overflow: auto;
margin: 1em 0em;
border-radius: 6px;
}