body {
  font-family: Arial;
  background-color: #f4f6f8;
  text-align: center;
}

h1 {
  background: #2c3e50;
  color: white;
  padding: 15px;
}

input {
  padding: 10px;
  width: 250px;
  margin: 20px;
}

.books {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.book {
  background: white;
  padding: 15px;
  width: 200px;
  border-radius: 8px;
  box-shadow: 0 0 10px #ccc;
}