pre.code span {
  font-family: courier new, monospace;
}

span.keyword, .namespace, .tag { font-weight: bold; font-family: monospace; color: #8B0000;}
.constant, .attribute, .global, .class, .module { font-family: monospace; color: black;}
.string { font-family: monospace; color: #00008B; }
.ident, .method { font-family: monospace; }
.number, .char { font-family: monospace; color: #888800; }
.comment { font-family: monospace; color: #006400; }
.symbol { font-family: monospace; color: #884400; }
.regex { font-family: monospace; color: #808080; }
.punct { font-family: monospace; color: black; }
.escape, .interp, .expr { font-family: monospace; color: purple; }