width: 64px;
display: inline-block;
text-align: justify;
text-align-last:justify;
-moz-text-align-last:justify;/* moz */
text-justify:inter-ideograph;/* ie */
文字两端对齐 text-align: justify;
原文：http://www.cnblogs.com/bbqwwb/p/6553164.html
