body, html {
    height: 100%;
    margin: 0;
    padding: 0;
}

#kaart {
    background-color: lavender;
    width: 500px;
    height: 600px;
    border: 1px solid black;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.button-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-left: 5px;
}

.button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 10px;
}