文字两端对齐

     width: 60px;
                display: inline-block;
                text-align:justify;
                text-justify:distribute-all-lines;/*ie6-8*/
                text-align-last:justify;/* ie9*/
                -moz-text-align-last:justify;/*ff*/
                -webkit-text-align-last:justify;/*chrome 20+*/

兼容到ie