body {
    font-family: Arial, sans-serif;
  }

  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
  }

  h1 {
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
  }

  .videos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .video {
    margin: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
  }

  .video img {
    width: 200px;
    height: 150px;
    margin-bottom: 10px;
  }

  .video h2 {
    font-size: 20px;
    font-weight: normal;
    margin: 0;
  }

  button {
    display: block;
    margin: 30px auto;
    font-size: 16px;
    padding: 10px 20px;
    background-color: #0072c6;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  button:hover {
    background-color: #005ea2;
  }

  ol {
    margin-left: 30px;
    margin-bottom: 30px;
  }

  li {
    font-size: 16px;
    line-height: 1.5;
  }

  a {
    color: #0072c6;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }