body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #eef2f3;
  font-family: Arial, sans-serif;
}

.container {
  text-align: center;
}

.number-display {
  width: 150px;
  height: 150px;
  background-color: white;
  border: 3px solid #333;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 4rem;
  margin: 0 auto 30px;
  border-radius: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.dice-container {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.dice {
  width: 100px;
  height: 100px;
  background-color: white;
  border: 3px solid #333;
  border-radius: 15px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
  align-items: center;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.3s ease;
}

.dice:hover {
  transform: scale(1.05);
}

.dot {
  width: 14px;
  height: 14px;
  background-color: black;
  border-radius: 50%;
}

.correct {
  background-color: #7fff7f !important;
}

.wrong {
  background-color: #ff7f7f !important;
}

button {
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background-color: #007bff;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0056b3;
}