.custom-class {
   background-color: transparent;
}

.thumb-class {
   background-color: transparent;
}

.title-class {
  background-color: transparent;
}

.price-class {
   background-color: transparent;
}

.origin-price-class {
   background-color: transparent;
}

.desc-class {
   background-color: transparent;
}

.num-class {
   background-color: transparent;
}