.education-nav .education-nav-box .education-nav-item:nth-child(4){
    color: black;
}
.education-box .service-body{
    width: 1200px;
    margin: 0px auto 80px;
    background-color: white;
    text-align: center;
}
.education-box .service-body img{
    width: 1190px;
}