body {
      font-family: Arial, sans-serif;
      background-color: #d9d9d9;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      height: 100vh;
    }
    header {
      background-color: #003366;
      color: white;
      text-align: center;
      padding: 40px 0;
      font-size: 48px;
      font-weight: bold;
    }
    .main-container {
      flex: 1;
      display: flex;
      height: calc(100vh - 120px);
    }
    nav {
      background-color: #003366;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      padding: 20px;
      width: 220px;
      box-sizing: border-box;
    }
    .nav-button {
      background-color: #0074d9;
      color: white;
      border: none;
      padding: 15px;
      margin: 5px 0;
      cursor: pointer;
      width: 100%;
      text-align: left;
      font-size: 16px;
      border-radius: 4px;
      transition: background-color 0.3s ease;
    }
    .nav-button:hover {
      background-color: #005fa3;
    }
    .content-area {
      flex: 1;
      padding: 20px;
      overflow-y: auto;
      background-color: white;
      box-sizing: border-box;
      font-size: 40px;
    }
    .section {
      display: none;
    }
    .active {
      display: block;
    }
    .content-block {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 20px;
      font-size: 40px;
    }
    .content-block p {
      flex: 1;
      margin: 0;
    }
    .content-block img {
      max-width: 450px;
      height: auto;
      object-fit: contain;
      align-self: flex-start;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 50px;
      background-color: #e0e0e0;
    }
    th, td {
      border: 1px solid #ccc;
      padding: 8px;
      text-align: center;
      background-color: #f8f8f8;
      font-size: 48px;
      font-weight: bold;
    }
    th {
      background-color: #b0b0b0;
      color: white;
    }
    .vlajka {
      width: 100px;
      height: auto;
    }
    .prezident {
      max-width: 50px;
      height: auto;
    }