/* CSS Document */body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}

header {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #444;
    overflow: hidden;
}

nav a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
}

nav a:hover {
    background-color: #666;
}

main {
    padding: 20px;
    background-color: white;
    min-height: 300px;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    position: relative;
    bottom: 0;
    width: 100%;
}

/* Responsivní úprava pro menší obrazovky */
@media (max-width: 600px) {
    nav a {
        float: none;
        display: block;
        text-align: left;
    }
}