p 标签自动换行 (ie,firefox,chrome

p {

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+ */

}

p标签自动换行 经测试 IE8 chrome 41 FireFox 38 都正常

来源： http://paranimage.com/preformated-pre-text-wrap/