body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 40px;
  background-color: #fafafa;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  background-color: #0078d7;
  color: white;
  transition: background-color 0.3s;
  margin-bottom: 30px;
}

button:hover {
  background-color: #005fa3;
}

#blocks {
  display: flex;
  flex-direction: column;
  gap: 40px;
  width: 90%;
  max-width: 500px;
}

.block {
  border: 2px solid #ccc;
  border-radius: 10px;
  padding: 20px;
  background-color: white;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

.block h2 {
  text-align: center;
  margin-bottom: 20px;
}

.side-by-side {
  display: flex;
  justify-content: center;
  gap: 40px; 
  flex-wrap: wrap;
}

.side-by-side .resultsborder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px;
  background-color: #f5f5f5;
}

.results {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 700px) {
  .side-by-side {
    flex-direction: column;
    gap: 30px;
  }

  .card {
    width: 100px;
    height: 150px;
  }
}

.card-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card {
  width: 140px;
  height: 210px;
  border: 2px solid #333;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
}

.card.flip {
  transform: rotateY(0deg);
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  backface-visibility: hidden;
  border-radius: 8px;
}

.card-label {
  text-align: center;
  font-weight: bold;
  margin-top: 5px;
  font-size: 14px;
  color: #333;
  opacity: 0; 
  transition: opacity 0.5s;
}