.skills {
    list-style:none;
    padding: 0;
    margin: 0 0 1rem;
}

.skills li {
    display: inline-block;
    background-color: #0d6efd;
    border-radius: 3px;
    color: #fff;
    padding: 5px 10px;
    line-height: 1.2;
    margin: 3px 2px;
    font-size: 14px;
}

.timeline-item {
    display: table;
    position: relative;
    table-layout: fixed;
    width: 100%;
    padding-bottom: 15px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-left {
    width: 30%;
    display: table-cell;
    text-align: right;
    vertical-align: top;
    padding-right: 25px;
}

.timeline-right {
    width: 70%;
    display: table-cell;
    text-align: left;
    vertical-align: top;
    padding-left: 25px;
}

.timeline-divider {
    position: absolute;
    top:0;
    left:30%;
    bottom:0;
    width:1px;
    background-color: black;
}

.timeline-divider:before {
    content: '';
    display: block;
    position: absolute;
    margin-top: 4px;
    width: 17px;
    height: 17px;
    position: absolute;
    margin-left: -8px;
    border-radius: 10px;
    background-color: black;
    opacity: .25;
    z-index: 0;
}

.timeline-divider:after {
    content: '';
    display: block;
    position: absolute;
    margin-top: 8px;
    width: 9px;
    height: 9px;
    margin-left: -4px;
    background-color: black;
    border-radius: 5px;
    border: 2px solid black;
    z-index: 1;
}

.red u {
    color: #dc3545;
}

.red .timeline-divider:before {
    background-color: #dc3545;
}

.red .timeline-divider {
    background-color: #dc3545;
}

.red .timeline-divider:after {
    background-color: #dc3545;
    border: 2px solid #dc3545;
}

.blue u {
    color: #0d6efd;
}

.blue .timeline-divider:before {
    background-color: #0d6efd;
}

.blue .timeline-divider {
    background-color: #0d6efd;
}

.blue .timeline-divider:after {
    background-color: #0d6efd;
    border: 2px solid #0d6efd;
}

.green u {
    color: #198754;
}

.green .timeline-divider:before {
    background-color: #198754;
}

.green .timeline-divider {
    background-color: #198754;
}

.green .timeline-divider:after {
    background-color: #198754;
    border: 2px solid #198754;
}