body {
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    text-align: center;
    margin: 0;
    padding-top: 60px;
}

.kontener {
    max-width: 600px;
    margin: auto;
}

.grafika {
    width: 250px;
    margin-bottom: 20px;
}