.pro_main h4 {
    text-align: center;
    height: 55px;
    padding: 10px 0;
    line-height: 55px;
    font-size: 25px;
}
.pro_main ul li {
    float: left;
    width: 278px;
    height: 355px;
    margin: 0 9px;
}
.pro_main ul li img {
    width: 100%;
}
.pro_main ul li span {
    display: block;
    width: 100%;
    text-align: center;
    height: 40px;
    line-height: 40px;
    font-size: 17px;
}<!--0.00019192695617676-->