.timeline {
    position: relative;
    padding: 20px 0;
    border-left: 4px solid #007bff;
    margin-top: 30px;
}
.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 20px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    top: 5px;
    left: -9px;
    width: 18px;
    height: 18px;
    background-color: #007bff;
    border-radius: 50%;
}
.timeline-content {
    background-color: #ffffff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}