body {
    margin: 0;

    font-family: Transit, Arial, Helvetica, sans-serif;
}

header {
    padding: 10px 15px;

    border-bottom: 1px solid #e3e3ee;

    transition: all 0.5s;
}

.bvg-logo {
    max-width: 50px;
    max-height: 50px;

    transition: all 0.5s;
}

main {
    padding-top: 25vh;
    display: flex;
    flex-direction: row;
}

.maintenance-notice {
    padding: 2vh;

    display: flex;

    text-align: center;
    font-size: x-large;
}

footer {
    padding: 20px 0;

    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;

    color: #626260;
    background-color: #f4f4f4;
    text-align: center;
}

@media screen and (max-width: 640px) {
    main {   
        padding-top: 2vh;
        flex-direction: column;
    }

    header {
        padding: 5px;
    }

    .bvg-logo {
        max-width: 35px;
        max-height: 35px;
    }
}