* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  header img.zaglavlje {
    width: 100%;
    height: auto;
    display: block;
  }
  
  .navigacija {
    display: flex;
    justify-content: center;
    background-color: #ffffff;
    border-bottom: 1px solid #275070;
  }
  
  .navigacija li {
    list-style: none;
    margin: 0 20px;
  }
  
  .navigacija a {
    text-decoration: none;
    color: #275070;
    font-size: 18px;
    font-weight: bold;
    padding: 15px 0;
    display: inline-block;
  }
  
  .glavni-sadrzaj {
    display: flex;
    justify-content: space-between;
    padding: 0;
    height: 530px;
  }
  
  article {
    width: 85%;
    background-color: #d1e2ef;
    padding: 20px;
    border-right: 1px solid #275070;
  }
  
  article h1 {
    color: #275070;
    font-size: 28px;
    margin-bottom: 10px;
  }
  
  article h2 {
    color: #275070;
    font-size: 22px;
    margin: 20px 0 10px 0;
  }
  
  article p {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .krk-cres-slika {
    float: right;
    margin: 0 0 10px 10px;
    width: 300px;
    height: auto;
  }
  
  aside {
    width: 15%;
    background-color: #3b79a9;
    color: rgb(0, 0, 0);
    padding: 20px;
  }
  
  aside h2 {
    font-size: 18px;
    margin-bottom: 10px;
    padding-bottom: 5px;
  }
  
  .aside-karte {
    float: left;
    width: 15%;
    background-color: #3b79a9;
    color: rgb(0, 0, 0);
  }
  
  .aside-h2 {
    color: #ffffff;
  }
  
  aside ul li {
    font-size: 16px;
    margin-bottom: 5px;
  }
  
  footer {
    text-align: center;
    background-color: #275070;
    color: white;
    padding: 10px 0;
    font-size: 14px;
  }
  
  footer a {
    color: #79a93b;
    text-decoration: none;
    font-weight: bold;
  }
  
  footer a:hover {
    text-decoration: underline;
  }
  
  .karte-sadrzaj {
    height: 530px;
    background-color: #d1e2ef;
  }
  
  .karte-grid {
    display: grid;
    grid-template-columns: repeat(minmax(250px, 1fr));
    gap: 20px;
    justify-items: center;
    align-items: center;
  }
  
  .karteH1 {
    padding-left: 25%;
    color: #275070;
    font-size: 22pt;
    padding-top: 10px;
    padding-bottom: 20px;
  }
  
  .karteH2 {
    padding-left: 25%;
    color: #275070;
    padding-bottom: 20px;
  }
  
  .slika1-karta {
    width: 300px;
    height: 250px;
    padding-left: 20px;
  }
  
  .slika2-karta {
    width: 300px;
    height: 250px;
    padding-left: 20px;
  }
  
  .slika3-karta {
    width: 300px;
    padding-left: 20px;
    height: 250px;
  }
  
  body {
    display: flex;
    flex-direction: column;
    font-family: Arial, sans-serif;
  }
  
  main {
    display: flex;
    flex-grow: 1;
    background-color: #d1e2ef;
  }
  
  .aside-karte {
    width: 20%;
    min-height: calc(100vh - 160px);
    background-color: #3b79a9;
    color: white;
    padding: 20px;
  }
  
  .karte-sadrzaj {
    width: 80%;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    justify-items: start;
    align-items: start;
    background-color: #d1e2ef;
  }
  
  .karte-sadrzaj img {
    width: 300px;
    height: 250px;
  }
  
  .karteH1 {
    grid-column: 1 / -1;
    text-align: center;
    color: #275070;
    font-size: 22pt;
    margin-bottom: 20px;
  }
  
  .karteH2 {
    grid-column: 1 / -1;
    text-align: center;
    color: #275070;
    margin-bottom: 20px;
  }
  
  footer {
    text-align: center;
    background-color: #275070;
    color: white;
    padding: 10px 0;
    font-size: 14px;
    margin-top: auto;
  }
  
  footer a:hover {
    text-decoration: underline;
  }
  
  @media (max-width: 600px) {
    .glavni-sadrzaj {
      flex-direction: column;
      align-items: center;
      height: auto;
    }
  
    article {
      width: 100%;
      border-right: none;
      padding: 10px;
    }
  
    .krk-cres-slika {
      float: none;
      margin: 10px auto;
      display: block;
    }
  
    aside {
      width: 100%;
      padding: 10px;
      text-align: center;
    }
  
    .navigacija {
      flex-direction: column;
      align-items: center;
    }
  
    .navigacija li {
      margin: 10px 0;
    }
  
    footer {
      font-size: 12px;
    }
  
    .karte-sadrzaj {
      grid-template-columns: 1fr;
    }
  
    .karte-sadrzaj img {
      width: 90%;
      height: auto;
    }
  
    .navigacija a:hover {
      background-color: #275070;
      color: white;
      transition: background-color 0.3s, color 0.3s;
    }
  }