/* Internet Explorer 7 */
pre[id] { 
border: 1px solid #707070;
width: 650px; / * Not necessary, but useful to define how wide your text can grow */
overflow: hidden;
} 
pre {
white-space: pre-wrap; /* css-3 */
white-space: -moz-pre-wrap; /* Mozilla, since 1999 */
white-space: -pre-wrap; /* Opera 4-6 */
white-space: -o-pre-wrap; /* Opera 7 */
word-wrap: break-word; /* Internet Explorer 5.5-6 */
}