body{background-image: url(images/background.png);
    background-attachment: fixed;
    
      }
      .navbar a
      {
        border-radius: 5px;
        padding: 5px;
      }
      .navbar a:hover {color:aqua;
        text-shadow: 0px 0px 5px orange;
        border-radius: 5px;
        background-color: rgb(128, 128, 128);}
        
    .menu{background-color: rgb(37, 37, 37);
    border-radius: 5px;
    width: 100%;}
   
    .menu h2 {color: aliceblue;
        padding-top: 10px;
        padding-left: 10px;
        padding-right: 10px;
    }

    .menu hr {
       background-color:aliceblue;
        height: 3px;
        width: 80%;
        margin: 0 auto;
    }

    .menu h3 {
        color:  rgb(37, 37, 37);
        padding-bottom: 10px;
    }
    .margin {margin-top: 20px;}
    
    .socky
    {
        background-color: rgb(107, 107, 107);
    border-radius: 5px;
        margin: 10px;
    }

    .socky h1{color: aliceblue;
        padding: 10px;
        font-size: 300%;
    }
    
    .obrazek{
        width: 100%;
    }

    .vlevo{
        background-color: rgb(24, 24, 24);
        border-radius: 5px;

    }

    .vlevo h1{
        font-size:150%}

    .vlevo a {
        color: aliceblue;
        text-decoration: none;
    }
    .vlevo a:hover {
        text-shadow: 0px 0px 5px orange;
        border-radius: 5px;}

    .nadpis_dole {
        color: aliceblue;
    }

    video {
        width: 100%;
    }