.rpt-timeline {
    border-left: 3px solid #ccc;
    margin-left: 20px;
    padding-left: 20px;
}
.rpt-update {
    position: relative;
    margin-bottom: 30px;
}
.rpt-update::before {
    content: "";
    width: 15px;
    height: 15px;
    background: #2196F3;
    border-radius: 50%;
    position: absolute;
    left: -28px;
    top: 0;
}