.productListing-left{
  border-right: 1px #ccc solid;
  border-bottom: 1px #ccc solid;  
  height: 100%;
}
.productListing-right{
  border-bottom: 1px #ccc solid;
  height: 100%;
}
.productListingLast-left{
  border-right: 1px #ccc solid;
  height: 100%;
}
.productListingLast-right{
  height: 100%;
}