How to wrap word code block in pre label

<head>
<title>Title of the document</title>
<style>
pre {
overflow-x: auto;
white-space: pre-wrap;
white-space: -moz-pre-wrap;
white-space: -pre-wrap;
white-space: -o-pre-wrap;
word-wrap: break-word;
}
</style>
</head>