.timeline {
    position: relative;
    margin-left: 40px;
    padding-left: 20px;
    border-left: 2px solid #037dc4; /* linha vertical */
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-marker {
    position: absolute;
    left: -20px;
    top: 0;
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 20px solid #037dc4; /* cor da seta */
}

.timeline-content {
    background: #f8f9fa;
    padding: 12px 15px;
    border-radius: 5px;
    box-shadow: 0 0 5px rgb(0 0 0 / 0.1);
}