.nav_pro .mrv a{
    color: rgb(255, 255, 255);
    text-decoration: none;
    font-family: '微软雅黑','宋体';
    background: rgb(88, 183, 17);
}
 .liOne {
     width: 220px;
     height: 45px;
     background-image: url(http://www.gongkong.com/gongkong2/Content/Product/images/bg.png);
     background-repeat: no-repeat;
     margin-top: -6px;
     margin-left: 10px;
     margin-right: 10px;
     position: relative;
     -vertical-align: middle;
     text-align:center;
 }
 .liOne img {
     
     height: 30px;
    
     
     top: 6px;
     margin-bottom:-8px;
 }
    .liOne span {
        top: 0;
        font-size: 16px;
        line-height: 45px;
        height: 45px;
        color: #fff;
        font-weight: bold;
        font-family: "微软雅黑";
    }
.nav_pro li a { font-family: "微软雅黑";
}