body {
      background-color: #ffffff;
      color: #000000;
      font-family: Arial, sans-serif;
      
      padding: 0;
    }

    a {
      color: #1565c0;
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }


    /* MENU FIXO NO TOPO */
    nav {
      position: sticky;
      top: 0;
      background-color: #1a237e;
      padding: 10px 20px;
      z-index: 1000;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      
    }

nav a {
  color: #ffffff;
  text-decoration: none;
  margin: 10px 15px;
  font-weight: bold;
  font-size: 16px;
  transition: color 0.3s;
}

nav a:hover,
nav a.active {
  color: #ffeb3b;
}
    main {
      padding: 40px;
      padding-top: 60px; /* compensação para o menu fixo */
    }

    h1 {
      color: #1a237e;
      font-size: 28px;
    }

    img {
      max-width: 400px;
      border-radius: 10px;
      margin-top: 20px;
    }

    p {
      font-size: 18px;
      text-align: justify;
    }
    ol {
      font-size: 18px;
      padding-left: 20px;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 20px;
    }

    caption {
      caption-side: top;
      font-weight: bold;
      margin-bottom: 10px;
      color: #1a237e;
      font-size: 18px;
    }

    th, td {
      border: 1px solid #999;
      padding: 8px;
      font-size: 15px;
      text-align: left;
    }

    th {
      background-color: #e3f2fd;
      color: #0d47a1;
    }

    .highlight {
      background-color: #bbdefb;
      font-weight: bold;
    }

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 2px solid #1a237e;
  border-radius: 50%;
  text-decoration: none;
  color: #1a237e;
  font-size: 22px;
  background-color: #fff;
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background-color: #1a237e;
  color: #fff;
}