Template:Infobox/shared/styles.css

.infobox-header {
    width: 100%;
    padding-top: 15px;
    border-top: 1px solid;
    border-color: var(--border-color-base);
    margin-top: 15px;
    color: var(--color-base--emphasized);
    font-size: 1rem;
}

.infobox tr {
    display: flex;
    box-sizing: border-box;
    flex-direction: column;
    padding: 0 10px;
    margin-top: 10px;
}

/* Mimic infobox styles from Template:Infobox/styles.css */
/* .infobox tr */
div.infobox-data {
	display: flex;
    box-sizing: border-box;
    flex-direction: column;
    padding: 0 10px;
    margin-top: 10px;
}

/* .infobox th, .infobox tdd */
.infobox-data__label,
.infobox-data__value {
	padding: 0 5px;
}

/* .infobox th */
.infobox-data__label {
	color: var( --color-base--subtle );
    font-size: 0.8125rem;
    font-weight: normal;
    letter-spacing: 0.75px;
}

/* .infobox td */
.infobox-data__value {
	font-weight: bold;
}