.coupon-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.coupon-card {
  border: 2px dashed #ccc;
  padding: 15px;
  width: 300px;
  background: white;
}
.product-img {
  width: 100%;
  height: auto;
}
.website-name {
  text-align: center;
  font-weight: bold;
  color: teal;
}
.scratch-container {
  position: relative;
  height: 100px;
  margin: 10px 0;
}
.hidden-code {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  text-align: center;
  padding-top: 20px;
  font-weight: bold;
  z-index: 1;
}
.scratch-container canvas {
  position: absolute;
  top: 0; left: 0;
  z-index: 2;
}
.filter-button {
  margin: 5px;
  display: inline-block;
  padding: 5px 10px;
  background: #eee;
  border: 1px solid #ddd;
}