.pic-box{
    text-indent:0;
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    text-align: center;
    font-size: 14px;
    justify-content: center;
}
.pic-content{
    width: 327px;
    height: 245px;
    margin-right: 5px;
    margin-top: 25px;
}