body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #fff;
  color: #000;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 500px;
  margin: 0 auto;
}

h1 {
  font-size: 48px;
  margin-bottom: 10px;
}

.product-image {
  max-width: 100%;
  height: auto;
  margin: 20px 0;
}

.buy-button {
  background-color: black;
  color: white;
  padding: 15px 30px;
  font-size: 18px;
  border: none;
  cursor: pointer;
}