styles.css

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }
  
  header {
    background-color: #333;
    color: #fff;
    padding: 10px;
  }
  
  header h1 {
    margin: 0;
  }
  
  nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  nav ul li {
    display: inline;
    margin-left: 10px;
  }
  
  nav ul li a {
    color: #fff;
    text-decoration: none;
  }
  
  section#hero {
    background-image: url('hero.jpg');
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: 50px;
    color: #fff;
  }
  
  section#books {
    padding: 50px;
  }
  
  .book-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  
  .book {
    width: 30%;
    margin-bottom: 30px;
  }
  
  .book img {
    width: 100%;
  }
  
  footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
  }
/* Add responsive styles */

/* Responsive navigation menu */
nav ul {
    display: flex;
    flex-direction: column;
    text-align: center;
  }
  
  nav ul li {
    margin-bottom: 10px;
  }
  
  nav ul.show {
    display: block;
  }