body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}

.info {
position: fixed;
top: 20px;
right: 20px;
width: 190px;
background: #fff;
padding: 15px;
border: 1px solid #ccc;
}

.nav {
position: sticky;
top: 0;
background: #333;
color: white;
padding: 15px;
}

.nav a {
color: white;
text-decoration: none;
margin-right: 20px;
}

.sadrzaj {
padding: 20px;
margin: 0 220px 0 20px;
}

.blok {
background: white;
padding: 20px;
margin-bottom: 20px;
border: 1px solid #ccc;
}

.blok p {
    text-align: justify;
    font-size: large;
}