body {
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

header {
  background-color: #4CAF50;
  color: white;
  width: 100%;
  text-align: center;
  padding: 15px 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 2rem;
  margin: 0;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
}

.alphabet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  gap: 15px;
  width: 90%;
  max-width: 400px;
  margin-top: 20px;
}

.letter-box {
  background-color: #fff;
  border: 2px solid #4CAF50;
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.letter-box:hover {
  transform: scale(1.1);
  background-color: #e7f3e7;
}

.info-box {
  margin-top: 20px;
  padding: 15px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 90%;
  max-width: 400px;
}

.info-box h2 {
  font-size: 1.5rem;
  color: #4CAF50;
  margin: 0 0 10px;
}

.info-box p {
  font-size: 1rem;
  color: #555;
  margin: 0;
}

footer {
  margin-top: 20px;
  font-size: 0.9rem;
  color: #777;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.5rem;
  }
  .letter-box {
    font-size: 1.2rem;
  }
}