body {
    margin: 0;
    padding: 8px;
    font-family: Arial, Helvetica, sans-serif;
    background-color: aliceblue;
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    color: #333;
    margin-top: 0.4em;
    margin-bottom: 16px;
    font-size: 1.4em;
}

#timeline {
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: aliceblue;
}

#timeline .vis-timeline {
    background-color: aliceblue;
}

#legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 12px;
    font-size: 0.9em;
    color: #555;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.vis-item .vis-item-overflow {
    overflow: visible;
}

.vis-labelset .vis-label {
    display: none;
}

.vis-timeline .vis-panel.vis-left {
    display: none;
}