body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: grey;
    color: #f0f0f0;
}
header {
    background-color: #004080;
    color: white;
    padding: 20px;
    text-align: center;
  }

  nav a {
    color: black;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
  }
  nav a:hover {
    text-decoration: underline;
  }
  .hero {
    background-color: #e0f0ff;
    padding: 60px 20px;
    text-align: center;
  }
  P{ 
    font-size: 1rem; 
    line-height: 1.6; 
    margin: 15px 0; 
    color: #333; 
    max-width: 800px; 
    }
    img {
        border: 4px solid  black;
        border-radius: 8px;
        max-width: 100%;
        height: auto;
        display: block;
        margin: 15px auto;
 }

 h1, h2, h3, h4, h5, h6 {
    text-align: center;
  }
  iframe {
    width: 100%;
    max-width: 800px;
    height: 400px;
    border: 4px solid black;
    border-radius: 10px;
    display: block;
    margin: 20px auto;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  }

  nav a {
    color: black;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
  }
  
  nav a:hover {
    color: #004080;
    text-decoration: underline;
  }

  img {
    max-width: 100%;
    height: auto;
  }
  body {
    padding: 20px;
  }
  .content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
  }