<head>
<meta charset="UTF-8">
<style>
  body{
    margin: 0;
    font-family: Arial, sans-serif;
    background #f7f7f7;
    color: w;
  }
  header {
    background: linear-gradient(to right, #4b0082, #8a2be2);
    color: white;
    padding: 40px 20px;
    text-align: center;
  }
  section {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
  }
  h2 {
      color: #ffffff;
    }

  p a {
    color: #0044cc;
    text-decoration: none;
  }

  p a:hover {
    text-decoration: underline;
  }

  footer {
    background: #333;
    color: #ccc;
    text-align: center;
    padding: 20px;
    margin-top: 60px;
    }

  .dog-img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    margin-top: 20px;
    }

    nav {
      position: sticky;
      top: 0;
      z-index:1000;
      background: #333;
      padding: px;
      text-align: center;
    }

    nav a{
      color: white;
      margin: 0 15px;
      text-decoration: none;
      font-weight: bold;
    }
    nav a:hover {
      text-decoration: underline;
    }
  </style>
</head>
