.timeline {
    position: relative;
    padding-left: 20px;
}

.timeline-item {
    position: relative;
    margin-bottom: 15px;
}

.timeline-marker {
    position: absolute;
    left: -20px;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.timeline-content {
    padding-left: 10px;
}