body {
  font-family: 'Poppins', Arial, sans-serif;
  margin: 0;
  background: linear-gradient(45deg, #4caf50, #81c784);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.game-container {
  background: #ffffff20;
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  max-width: 400px;
  width: 100%;
}

h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

p {
  margin: 10px 0;
  font-size: 1rem;
}

input[type="number"] {
  width: calc(100% - 20px);
  padding: 10px;
  margin-top: 15px;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  outline: none;
}

button {
  margin-top: 15px;
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#guessButton {
  background-color: #4caf50;
  color: white;
  margin-right: 10px;
}

#restartButton {
  background-color: #f44336;
  color: white;
}

#feedback {
  font-size: 1.1rem;
  font-weight: bold;
}

#attempts {
  margin-top: 20px;
  font-size: 1rem;
}

@media (max-width: 400px) {
  h1 {
    font-size: 1.5rem;
  }

  button, input[type="number"] {
    font-size: 0.9rem;
  }
}