.main-category-list{
    display: flex;
    flex-wrap: wrap;justify-content: flex-start;
    margin-bottom: 40px;
}
.main-category-list .item{
    display: block;
    margin-right: 50px;margin-bottom: 30px;
    width: 30%;
}
.main-category-list .item:nth-of-type(3n){
    margin-right: 0px;
}
.main-category-list .item img{
    width: 100%;
}
.main-category-list .item .text{
    background-color: #fff;
    padding: 30px 18px 40px 18px;
}
.main-category-list .item.current .text{
    background-color: #000;color: #fff
}

@media screen and (max-width:640px) {
  
  .main-category-list{
    justify-content: space-between;
  }
  .main-category-list .item{
     margin-right: 0;width: 46%;
  }
  .main-category-list .item .text{ 
    padding: 8px 18px 0px 8px;
    font-size: 12px;
    height: 4rem;
  }
}