body {
  font-family: Arial, sans-serif;
  background: #f8f8f8;
  padding: 20px;
}

h1, h2 {
  text-align: center;
}

.menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}

.item {
  background: white;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

button {
  padding: 8px 12px;
  border: none;
  background: #28a745;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #218838;
}

.wa {
  width: 100%;
  margin-top: 20px;
  background: #25D366;
  font-size: 16px;
}