.topnav {
    background-color: #222222;
    overflow: hidden;
    text-align: center;
    position: center;
    display: flex;
    width: 100%;

   }
  
  .topnav a {
    float: left;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    font-family: 'Roboto', sans-serif;
  }

  .topnavjmeno a {
    float: right;
    color: white;
    text-align: right;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    font-family: 'Roboto', sans-serif;
  }
  
   .topnav a:hover {
        background-color: #666;
    }
    
    h1{
        color: #FF8800;
        text-align: center;
        font-family: 'Roboto', sans-serif;  
    }

    h2{
        color: #777777;
        text-align: center;
        font-family: 'Roboto', sans-serif;  
    }

    p{
        font-family: 'Roboto', sans-serif;
        text-align: justify;
        color: beige;
        font-size: 20px;    
    }

    img{
        border-radius: 5px;
        max-width: 300px;
        max-height: 200px;
    }

    .Container{
        margin: 0 auto;
        max-width: 900px;
        height: 85dvh;
    }

    body{
        background-color: #111111;


    }

    .zdroj{
        text-align: right;
        font-style: italic;
        font-family: 'Roboto', sans-serif;
    }

    @media screen and (max-width: 400px){
        .image{
            max-width: 300px;
            max-height: 200px;
        }

        .Container{
            max-width: 400px;
        }
    }