body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}

header {
    background-color: #fff;
    padding: 20px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }

  header a {
    margin: 0 10px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
  }

h1 {
    margin: 0;
    font-size: 28px;
}

main {
    max-width: 1000px;
    min-height: 78vh;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

iframe {
    width:100%;
    height:70vh;
}

h2 {
    margin-top: 20px;
    font-size: 22px;
}

h3 {
    margin-top: 20px;
    font-size: 18px
}

p {
    line-height: 1.5;
}

li {
    line-height: 1.5;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}