html {
  font-size: 14px;
}


html {
  position: relative;
  min-height: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    background: #eee;
}

h1 {
margin-top:0;
font-size: 20px;
}

.container {
    position: relative;
    margin: 0 auto 0 auto;
    max-width: 1500px;
}

#content {
    display: flex;
    gap: 10px;
}

nav {
    width: 300px;
    padding: 10px;
    /* height: 100px;*/
    border-radius: 5px;
    background: #fff;
}

main {
    flex: 1;
    padding: 10px;
    border-radius: 5px;
    background: #fff;
}

dialog {
    border: none !important;
    border-radius: 5px;
    background-color: #f5f7bb;
   /* box-shadow: 0 0 #0000, 0 0 #0000, 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 1.6rem;
    max-width: 400px;*/
}

/*Pozadí dialogu (ztmavnutí)*/
::backdrop {
    background-color: rgba(0, 0, 0, 0.2);
}

header {
    background: #fff;
    /*height: 80px;*/
    margin-bottom: 20px;
    padding-left: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
    box-shadow: 0 4px 2px -2px rgba(0, 0, 0, 0.2);
}

footer {
    background: #23232f;
    min-height: 100px;
    margin-top: 20px;
}

    footer a:link, footer a:visited {
        color: #8b8ba1;
        text-decoration: none;
    }

    footer a:hover, footer a:active {
        color: #AAA;
        text-decoration: none;
    }

.navigace {
    margin-left: 10px;
    margin-bottom: 20px;
}

    .navigace a:link, .navigace a:visited {
        color: #555;
        text-decoration: none;
    }

    .navigace a:hover, .navigace a:active {
        color: #ff6633;
        text-decoration: none;
    }

@media (max-width: 840px) {
    #content {
        display: block;
        margin-top: 10px;
    }
    nav {
        width: calc(100% - 20px);
    }

    main {
        width: calc(100% - 20px);        
    }
}