CSS容器内容超出(溢出)自动换行代码

<style type="text/css"> 
.linebr { 
clear: both; /* 清除左右浮动 */  
width: 100px; /* 必须定义宽度 */  
word-break: break-word; /* 文本行的任意字内断开 */  
word-wrap: break-word; /* IE */  
white-space: -moz-pre-wrap; /* Mozilla */ 
white-space: -hp-pre-wrap; /* HP printers */ 
white-space: -o-pre-wrap; /* Opera 7 */ 
white-space: -pre-wrap; /* Opera 4-6 */ 
white-space: pre; /* CSS2 */ 
white-space: pre-wrap; /* CSS 2.1 */ 
white-space: pre-line; /* CSS 3 (and 2.1 as well, actually) */ 
} 
</style>