body {
  font-family: Arial, sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f5f5f5;
}

.container {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.task {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1,
h2 {
  color: #333;
}

.game-container {
  text-align: center;
  padding: 20px;
}

.key-display {
  font-size: 48px;
  font-weight: bold;
  color: #2196f3;
  margin: 20px 0;
  padding: 20px;
  border: 2px solid #2196f3;
  border-radius: 8px;
  display: inline-block;
  min-width: 80px;
}

.message {
  font-size: 18px;
  margin: 15px 0;
  color: #555;
}

button {
  background-color: #2196f3;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  margin-top: 10px;
}

button:hover {
  background-color: #0b7dda;
}

.chart-container {
  width: 100%;
  height: 400px;
  margin-top: 20px;
}