body {
  font-family: 'Cairo', sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
}

.catalog-item {
  background: #fff;
  padding: 10px;
  margin: 10px;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

.add-to-cart {
  background: #28a745;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
}

.add-to-cart:hover {
  background: #218838;
}

@media (max-width: 480px) {
  .catalog-item {
    font-size: 14px;
  }
}