.article{
   margin-top: 55px;
   margin-bottom: 60px;
   padding: 25px;
   -webkit-box-shadow: 0 0 9px 5px rgba(202, 203, 203, .5);
   -moz-box-shadow: 0 0 9px 5px rgba(202, 203, 204, .5);
}/* post article 阴影 */