@media screen and (min-width: 1000px) and (max-width: 1400px) {
  .group_6{
    width: 100%;
  }
  .box_4{
    width: 28%;
  }
  #mod-product-detail{
    width: 72%;
  }
  #image-block{
    width: 76%;
  }
  #image-block img{
    width: 100%;
    height: auto;
  }
}