history.css

body {
    background-image: url('sky2.jpeg');
      background-size: cover;
      background-position: center;
      color: #000000;
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 0;
    line-height: 1.6;
  }
  
  .back-button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
  }
  
  .back-button:hover {
    background-color: #45a049;
  }
    
    header {
      background-color: #333;
      color: #fff;
      display: flex;
      justify-content: space-between;
      padding: 1rem;
      text-align: center;
    }
    
    header h1 {
      margin: 0;
    
    }
    
    nav {
      display: flex;
      align-items: center;
    }
    
    nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    
    nav li {
      margin-right: 1rem;
    }
    
    nav a {
      color: #fff;
      text-decoration: none;
    }
    
    main {
      padding: 1rem;
    }
    
    section {
      margin-bottom: 2rem;
    }
    
    section h2 {
      margin-top: 0;
    }
    
    button {
      background-color: #333;
      border: none;
      color: #fff;
      padding: 0.5rem 1rem;
      text-transform: uppercase;
      cursor: pointer;
    }
    
    button:hover {
      background-color: #444;
    }
    
    footer {
      background-color: #333;
      color: #fff;
      padding: 1rem;
    }