.icon-48-department { background-image: url(../addin/department.png);  background-repeat: no-repeat }
.icon-48-users { background-image: url(../addin/users.png);  background-repeat: no-repeat}
.icon-48-category { background-image: url(../addin/category.png);  background-repeat: no-repeat;}
.icon-48-ugroup { background-image: url(../addin/ugroup.png);  background-repeat: no-repeat;}