.plane {
    border: 1px solid red;
    padding: 2em;
    width: fit-content;
    display: flex;
    flex-direction: column;
    gap: 5em;
}

.row {
    display: flex;
    gap: 2em;
}

.node {
    padding: 0.5em;
    border-radius: 4px;
    border: 1px solid #DDDDDD;
    background-color: #EEE;
}