body { background-color: white }

h1 {font-size: 24pt; color: red; }
h2 {font-size: 20pt; color: blue; }
h3 {font-size: 18pt; color: green; }
a { text-decoration: none; color: blue }
th.src { font-family: monospace; text-align: left; vertical-align: baseline; padding-right: 20px }

xmp {
   padding: 10px;
   font-family: monospace;
   background-color: lightgrey;
   border-width: 2px;
   border-color: black;
   border-style: solid;
   width: 100%;
   white-space: pre;
}