ul.timeline-vertical
{
    --gap: 12px;
    display: grid;
     /* need 0 row gap since it splits the bullet points' line too, not jsut the content column */
     /* will use padding bottom on the content cells instead */
    /* row-gap: var(--space-content); */
    row-gap: 0;
    column-gap: var(--gap);
    grid-template-columns: min-content 1fr;
    align-items: start;
    list-style: none;
}

ul.timeline-vertical .marker
{
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    &::before
    {
        content: "";
        width: 2px;
        background-color: black;
        opacity: 1.0;
        height: calc((1lh - 5px) / 2.0);
        display: block;
    }
    &::after
    {
        content: "";
        width: 2px;
        background-color: black;
        opacity: 1.0;
        flex: 1;
        display: block;
    }
    
    &:nth-child(1)::before
    {
        background-color: transparent;
    }
    &:nth-last-child(2)::after
    {
        background-color: transparent;
    }
}


ul.timeline-vertical .bullet
{
    width: 10px;
    aspect-ratio: 1;
    background-color: transparent;
    border: 2px solid black;
    border-radius: 50cqh;
}

ul.timeline-vertical li:not(.marker)
{
    padding-bottom: var(--gap);

    &:last-child
    {
        padding-bottom: 0;
    }
}