diff --git a/frontend/src/lib/components/StammbaumCard.svelte b/frontend/src/lib/components/StammbaumCard.svelte
index ccfdabe9..9c7b562b 100644
--- a/frontend/src/lib/components/StammbaumCard.svelte
+++ b/frontend/src/lib/components/StammbaumCard.svelte
@@ -188,7 +188,7 @@ function resetAddForm() {
 			{#each sortedDirect as rel (rel.id)}
 				<li class="flex items-center gap-2 py-2">
 					<span
-						class="inline-flex shrink-0 items-center rounded-full border border-accent/40 bg-accent/15 px-2 py-0.5 font-sans text-[10px] font-bold tracking-widest text-ink uppercase"
+						class="inline-flex shrink-0 items-center rounded-full border border-accent/40 bg-accent/15 px-2 py-0.5 font-sans text-xs font-bold tracking-widest text-ink uppercase"
 					>
 						{chipLabel(rel)}
 					</span>
@@ -350,7 +350,7 @@ function resetAddForm() {
 				{#each topDerived as derived (derived.person.id)}
 					<li class="flex items-center gap-2">
 						<span
-							class="inline-flex shrink-0 items-center rounded-full border border-line bg-muted/50 px-2 py-0.5 font-sans text-[10px] font-bold tracking-widest text-ink-2 uppercase"
+							class="inline-flex shrink-0 items-center rounded-full border border-line bg-muted/50 px-2 py-0.5 font-sans text-xs font-bold tracking-widest text-ink-2 uppercase"
 						>
 							{inferredRelationshipLabel(derived.label)}
 						</span>
diff --git a/frontend/src/lib/components/StammbaumSidePanel.svelte b/frontend/src/lib/components/StammbaumSidePanel.svelte
index fda9d48b..e68b01b3 100644
--- a/frontend/src/lib/components/StammbaumSidePanel.svelte
+++ b/frontend/src/lib/components/StammbaumSidePanel.svelte
@@ -192,7 +192,7 @@ const topDerived = $derived(
 					{#each directRels as rel (rel.id)}
 						<li class="flex items-center gap-2">
 							<span
-								class="inline-flex shrink-0 items-center rounded-full border border-accent/40 bg-accent/15 px-2 py-0.5 font-sans text-[10px] font-bold tracking-widest text-ink uppercase"
+								class="inline-flex shrink-0 items-center rounded-full border border-accent/40 bg-accent/15 px-2 py-0.5 font-sans text-xs font-bold tracking-widest text-ink uppercase"
 							>
 								{chipLabel(rel)}
 							</span>
@@ -300,7 +300,7 @@ const topDerived = $derived(
 					{#each topDerived as derived (derived.person.id)}
 						<li class="flex items-center gap-2">
 							<span
-								class="inline-flex shrink-0 items-center rounded-full border border-line bg-muted/50 px-2 py-0.5 font-sans text-[10px] font-bold tracking-widest text-ink-2 uppercase"
+								class="inline-flex shrink-0 items-center rounded-full border border-line bg-muted/50 px-2 py-0.5 font-sans text-xs font-bold tracking-widest text-ink-2 uppercase"
 							>
 								{inferredRelationshipLabel(derived.label)}
 							</span>
diff --git a/frontend/src/lib/components/StammbaumTree.svelte b/frontend/src/lib/components/StammbaumTree.svelte
index 2282de61..80a65fe3 100644
--- a/frontend/src/lib/components/StammbaumTree.svelte
+++ b/frontend/src/lib/components/StammbaumTree.svelte
@@ -518,7 +518,7 @@ const parentLinks = $derived.by<ParentLinks>(() => {
 						y={NODE_H / 2 + 12}
 						text-anchor="middle"
 						font-family="sans-serif"
-						font-size="10"
+						font-size="12"
 						fill={isSelected ? 'var(--c-primary-fg)' : 'var(--c-ink-3)'}
 						opacity={isSelected ? 0.75 : 1}
 					>
diff --git a/frontend/src/routes/stammbaum/+page.svelte b/frontend/src/routes/stammbaum/+page.svelte
index 19785a72..6afc1702 100644
--- a/frontend/src/routes/stammbaum/+page.svelte
+++ b/frontend/src/routes/stammbaum/+page.svelte
@@ -49,7 +49,7 @@ function zoomOut() {
 					type="button"
 					onclick={zoomOut}
 					aria-label={m.stammbaum_zoom_out()}
-					class="inline-flex h-8 w-8 items-center justify-center rounded-sm border border-line bg-surface text-ink-2 transition hover:bg-muted"
+					class="inline-flex h-11 w-11 items-center justify-center rounded-sm border border-line bg-surface text-ink-2 transition hover:bg-muted"
 				>
 					−
 				</button>
@@ -57,7 +57,7 @@ function zoomOut() {
 					type="button"
 					onclick={zoomIn}
 					aria-label={m.stammbaum_zoom_in()}
-					class="inline-flex h-8 w-8 items-center justify-center rounded-sm border border-line bg-surface text-ink-2 transition hover:bg-muted"
+					class="inline-flex h-11 w-11 items-center justify-center rounded-sm border border-line bg-surface text-ink-2 transition hover:bg-muted"
 				>
 					+
 				</button>