qmk_firmware/builddefs/docsgen/.vitepress/theme/custom.css

/* Override <kbd> as vitepress doesn't put them with borders */
kbd {
    border: 1px solid var(--vp-c-text-1);
    border-radius: 5px;
    margin: 0.2em;
    padding: 0.2em;
}

:root {
    --vp-nav-logo-height: 32px;

    --vp-layout-max-width: calc(98% + 64px);

    --vp-sidebar-width: 300px;
}

.VPDoc.has-aside .content-container {
    max-width: unset !important;
}