html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: #1b2460;
    color: #ffffff;
    font-family: Arial, sans-serif;
}

/* layout */
body {
    display: flex;
    flex-direction: column;
}

/* header met logo bovenin */
.header {
    text-align: center;
    padding: 20px 10px;
}

.logo {
    max-width: 100%;
    height: auto;
}

/* footer altijd onderaan */
.footer {
    margin-top: auto;
    text-align: center;
    padding: 15px 10px;
    font-size: 14px;
}

/* links */
.footer a {
    color: #ffffff;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* mobiel */
@media (max-width: 600px) {
    .footer {
        font-size: 12px;
    }

    .footer span {
        display: none;
    }

    .footer a {
        display: block;
        margin: 5px 0;
    }
}

#bericht {
    margin: 60px auto 0 auto;
    /* auto = horizontaal gecentreerd */
    text-align: center;
    max-width: 600px;
    background: #f5f5f5;
    padding: 20px 30px;
    border-radius: 8px;
    color: #1b2460;
}