Template:Timeline styles/styles.css

table.timeline {
    display: table;
    border-bottom: 0;
}

table.timeline tr {
    display: flex;
    flex-direction: column;
    border-left: 1px solid;
    border-color: var( --border-color-base--darker );
    padding-left: 20px;
}

table.timeline tr td:first-child {
    padding-bottom: 0;
    font-size: var( --font-size-h3 );
    display: list-item;
    margin-left: -7px;
    padding-left: 7px;
    padding-top: var( --space-md );
    font-weight: var( --font-weight-semibold );
    color: var( --color-base--emphasized );
}

table.timeline tr td {
	padding-top: 0.2rem;
	padding-left: 0;
    padding-right: 0;
}

table.timeline tr + tr {
	border-top: 0;
}