body {
    max-width: 1000px;
    margin: auto;
    background-color: darkslategray;
    font-family: times new roman, times, serif;
}

logo {
    border-left-width:small;margin: auto
}
header {
    justify-content: center;
}
.planten {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap:wrap;
    gap: 1em;
}

article {
    width: 300px;
    background-color: darkgrey
}