ul.timeline {
    list-style-type: none;
    position: relative;
}

ul.timeline:before {
    content: ' ';
    background: #d4d9df;
    display: inline-block;
    position: absolute;
    right: 22px;
    width: 2px;
    height: 100%;
    z-index: 400;
}

ul.timeline > li {
    margin: 10px 0;
    padding-right: 10px;
}

    ul.timeline > li:before {
        content: ' ';
        background: white;
        display: inline-block;
        position: absolute;
        border-radius: 50%;
        border: 3px solid #ff6a00;
        right: 15px;
        width: 15px;
        height: 15px;
        z-index: 400;
        margin-top: 9px;
    }