body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  color: #111;
}

header {
  background-color: #00227a;
  padding: 20px;
}

header img {
  height: 70px;
}

.container {
  display: flex;
  max-width: 1000px;
  margin: 40px auto;
  padding: 20px;
  background-color: #fff;
}

.book-image img {
  width: 300px;
  height: 400px;
  object-fit: cover;
  border: 1px solid #ccc;
}

.book-info {
  margin-left: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.book-info h1 {
  font-size: 24px;
  margin-bottom: 10px;
}

.book-info h2 {
  font-size: 18px;
  color: #666;
  margin: 0 0 20px 0;
}

.price {
  font-size: 20px;
  margin: 20px 0;
}

.btn {
  padding: 15px;
  margin-bottom: 10px;
  text-align: center;
  font-weight: bold;
  text-decoration: none;
  display: block;
  border: none;
  cursor: pointer;
  width: 200px;
}

.add-to-cart {
  background-color: #a0003b;
  color: #fff;
}

.click-collect {
  background-color: #f1f1f1;
  color: #333;
  border: 1px solid #ccc;
}

.description {
  margin-top: 40px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.description h3 {
  font-weight: bold;
  margin-bottom: 10px;
}