.btn-item-icon4,.btn-item-icon7,.btn-item-icon10,.btn-item-icon13{
    background: #4991c5 url(../dzswjnc/static/images/puzhang-btn-icon1.png) no-repeat center!important;}
.btn-item-icon5,.btn-item-icon8,.btn-item-icon11,.btn-item-icon14 {
    background: #4991c5 url(../dzswjnc/static/images/puzhang-btn-icon2.png) no-repeat center!important;}
.btn-item-icon6,.btn-item-icon9,.btn-item-icon12,.btn-item-icon15 {
    background: #4991c5 url(../dzswjnc/static/images/puzhang-btn-icon3.png) no-repeat center!important;}