body {
    font-family: Arial, sans-serif;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table, th, td {
    border: 1px solid black;
}

th, td {
    padding: 10px;
    text-align: left;
}
/* time line style */
.timeline {
    position: relative;
    margin: 0 auto;
    padding: 20px 0;
    width: 90%;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -1px;
    width: 2px;
    height: 100%;
    background: #C5C5C5;
}

.timeline-item {
    position: relative;
    margin: 20px 0;
    width: 45%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:before {
    content: '';
    position: absolute;
    top: 20px;
    right: -9px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #6c757d;
    z-index: 1;
}

.timeline-item:nth-child(even):before {
    left: -9px;
}

.timeline-icon {
    position: absolute;
    top: 12px;
    right: -25px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #6c757d;
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-icon {
    left: -25px;
}

.timeline-content {
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 5px;
}

.timeline-title {
    margin-top: 0;
    color: #343a40;
}

.timeline-date {
    font-size: 0.85em;
    color: #6c757d;
    margin-bottom: 10px;
}