diff --git a/src/codex32_gui/pages.py b/src/codex32_gui/pages.py
index 6ed80813..a99f3a36 100644
--- a/src/codex32_gui/pages.py
+++ b/src/codex32_gui/pages.py
@@ -217,7 +217,9 @@ def _blank(flow: Gtk.FlowBox) -> None:
 def _rows(title: str, values: Sequence[tuple[str, str]]) -> Adw.PreferencesGroup:
     group = Adw.PreferencesGroup(title=title)
     for label, value in values:
-        group.add(Adw.ActionRow(title=label, subtitle=value, subtitle_selectable=True, use_markup=False))
+        row = Adw.ActionRow(title=label, subtitle=value, subtitle_selectable=True, use_markup=False)
+        row.add_css_class("property")  # libadwaita's style for a value: subtitle at full strength.
+        group.add(row)
     return group
 
 
diff --git a/src/codex32_gui/style.py b/src/codex32_gui/style.py
index 2bc7879b..4855421f 100644
--- a/src/codex32_gui/style.py
+++ b/src/codex32_gui/style.py
@@ -11,7 +11,7 @@
   font-size: 1.1rem;
   letter-spacing: 0.06em;
 }
-.card-group {
+.card-group, .property .subtitle {
   font-family: monospace;
   font-size: 1.35rem;
   font-weight: bold;
diff --git a/src/codex32_gui/wallet_setup.py b/src/codex32_gui/wallet_setup.py
index b8e540d6..09bf2936 100644
--- a/src/codex32_gui/wallet_setup.py
+++ b/src/codex32_gui/wallet_setup.py
@@ -147,13 +147,13 @@ def network(core: BitcoinCore) -> str:
 
 def fingerprint(core: BitcoinCore, secret: MasterSeed) -> str:
     """Return the BIP32 master fingerprint, derived by Bitcoin Core out of process."""
-    return core.fingerprint(secret).hex()
+    return core.fingerprint(secret).hex().upper()
 
 
 def identity(core: BitcoinCore, secret: MasterSeed) -> tuple[str, str]:
     """Return the recovered fingerprint and what the backup identifier says about the seed."""
     fingerprint = core.fingerprint(secret)
-    return fingerprint.hex(), identifier_note(identifier_origin(secret, fingerprint))
+    return fingerprint.hex().upper(), identifier_note(identifier_origin(secret, fingerprint))
 
 
 def verify(core: BitcoinCore, secret: MasterSeed, expected: bytes | None, start: Timestamp) -> None: