docs/sass/_settings.scss
$govuk-font-family: system-ui, sans-serif;
// Our logo is 5px taller than the GOV.UK Crown that the design system is tailored for. But it's
// only sort of "peeking" beyond the edges so we don't allocate more space for it in the page.
// The X-GOVUK site doing a very similar thing with its logo I think for a similar reason
.dbt-header__logotype {
margin-bottom: -5px;
}