/* The actual timeline (the vertical ruler) */
    .main-timeline {
        position: relative;
    }

    /* The actual timeline (the vertical ruler) */
    .main-timeline::after {
        content: "";
        position: absolute;
        width: 6px;
        background-color: #939597;
        top: 0;
        bottom: 0;
        left: 50%;
        margin-left: -3px;
    }

    /* Container around content */
    .timeline {
        position: relative;
        background-color: inherit;
        width: 50%;
    }

    /* The circles on the timeline */
    .timeline::after {
        content: "";
        position: absolute;
        width: 25px;
        height: 25px;
        right: -13px;
        background-color: #939597;
        border: 5px solid #f5df4d;
        top: 15px;
        border-radius: 50%;
        z-index: 1;
    }

    /* Place the container to the left */
    .left {
        padding: 0px 40px 20px 0px;
        left: 0;
    }

    /* Place the container to the right */
    .right {
        padding: 0px 0px 20px 40px;
        left: 50%;
    }

    /* Add arrows to the left container (pointing right) */
    .left::before {
        content: " ";
        position: absolute;
        top: 18px;
        z-index: 1;
        right: 30px;
        border: medium solid white;
        border-width: 10px 0 10px 10px;
        border-color: transparent transparent transparent white;
    }

    /* Add arrows to the right container (pointing left) */
    .right::before {
        content: " ";
        position: absolute;
        top: 18px;
        z-index: 1;
        left: 30px;
        border: medium solid white;
        border-width: 10px 10px 10px 0;
        border-color: transparent white transparent transparent;
    }

    /* Fix the circle for containers on the right side */
    .right::after {
        left: -12px;
    }

    /* Media queries - Responsive timeline on screens less than 600px wide */
    @media screen and (max-width: 600px) {

        /* Place the timelime to the left */
        .main-timeline::after {
            left: 31px;
        }

        /* Full-width containers */
        .timeline {
            width: 100%;
            padding-left: 70px;
            padding-right: 25px;
        }

        /* Make sure that all arrows are pointing leftwards */
        .timeline::before {
            left: 60px;
            border: medium solid white;
            border-width: 10px 10px 10px 0;
            border-color: transparent white transparent transparent;
        }

        /* Make sure all circles are at the same spot */
        .left::after,
        .right::after {
            left: 18px;
        }

        .left::before {
            right: auto;
        }

        /* Make all right containers behave like the left ones */
        .right {
            left: 0%;
        }
    }