diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index af3b589..16826f6 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -46,14 +46,18 @@
 
     <dimen name="config_key_preview_height">80dp</dimen>
     <fraction name="config_key_preview_text_ratio">82%</fraction>
-    <fraction name="config_key_letter_ratio">55%</fraction>
+    <fraction name="config_key_letter_ratio_holo">55%</fraction>
+    <fraction name="config_key_letter_ratio_lxx">55%</fraction>
     <fraction name="config_key_large_letter_ratio_holo">65%</fraction>
     <fraction name="config_key_large_letter_ratio_lxx">90%</fraction>
-    <fraction name="config_key_label_ratio">34%</fraction>
-    <fraction name="config_key_hint_letter_ratio">25%</fraction>
+    <fraction name="config_key_label_ratio_holo">34%</fraction>
+    <fraction name="config_key_label_ratio_lxx">34%</fraction>
+    <fraction name="config_key_hint_letter_ratio_holo">25%</fraction>
+    <fraction name="config_key_hint_letter_ratio_lxx">25%</fraction>
     <fraction name="config_key_hint_label_ratio_holo">44%</fraction>
     <fraction name="config_key_hint_label_ratio_lxx">30%</fraction>
-    <fraction name="config_key_shifted_letter_hint_ratio">35%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_holo">35%</fraction>
+    <fraction name="config_key_shifted_letter_hint_ratio_lxx">35%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">33.735%</fraction>
     <dimen name="config_key_hint_letter_padding">1dp</dimen>
     <dimen name="config_key_shifted_letter_hint_padding">2dp</dimen>
diff --git a/java/res/values/themes-common.xml b/java/res/values/themes-common.xml
index becaddd..87dcb77 100644
--- a/java/res/values/themes-common.xml
+++ b/java/res/values/themes-common.xml
@@ -37,12 +37,6 @@
         <!-- This keyBackground is needed to run unit tests based on {@link InputTestBase}. -->
         <!-- TODO: Apply default {@link KeyboardTheme} to {@link InputTestBase} and remove this. -->
         <item name="keyBackground">@drawable/btn_keyboard_key_klp</item>
-        <item name="keyLetterSize">@fraction/config_key_letter_ratio</item>
-        <item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_holo</item>
-        <item name="keyLabelSize">@fraction/config_key_label_ratio</item>
-        <item name="keyHintLetterRatio">@fraction/config_key_hint_letter_ratio</item>
-        <item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_holo</item>
-        <item name="keyShiftedLetterHintRatio">@fraction/config_key_shifted_letter_hint_ratio</item>
         <item name="keyTypeface">normal</item>
         <!-- A negative value to disable key text shadow layer. -->
         <item name="keyTextShadowRadius">-1.0</item>
diff --git a/java/res/values/themes-holo.xml b/java/res/values/themes-holo.xml
index cb3ad7a..9f1bd2f 100644
--- a/java/res/values/themes-holo.xml
+++ b/java/res/values/themes-holo.xml
@@ -25,6 +25,10 @@
         parent="KeyboardView"
     >
         <item name="keyTypeface">bold</item>
+        <item name="keyLetterSize">@fraction/config_key_letter_ratio_holo</item>
+        <item name="keyLabelSize">@fraction/config_key_label_ratio_holo</item>
+        <item name="keyHintLetterRatio">@fraction/config_key_hint_letter_ratio_holo</item>
+        <item name="keyShiftedLetterHintRatio">@fraction/config_key_shifted_letter_hint_ratio_holo</item>
         <item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_holo</item>
         <item name="keyLabelOffCenterRatio">-175%</item>
         <item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_holo</item>
diff --git a/java/res/values/themes-lxx.xml b/java/res/values/themes-lxx.xml
index 1c33cd6..c721888 100644
--- a/java/res/values/themes-lxx.xml
+++ b/java/res/values/themes-lxx.xml
@@ -25,6 +25,10 @@
         parent="KeyboardView"
     >
         <item name="keyTypeface">normal</item>
+        <item name="keyLetterSize">@fraction/config_key_letter_ratio_lxx</item>
+        <item name="keyLabelSize">@fraction/config_key_label_ratio_lxx</item>
+        <item name="keyHintLetterRatio">@fraction/config_key_hint_letter_ratio_lxx</item>
+        <item name="keyShiftedLetterHintRatio">@fraction/config_key_shifted_letter_hint_ratio_lxx</item>
         <item name="keyLargeLetterRatio">@fraction/config_key_large_letter_ratio_lxx</item>
         <item name="keyLabelOffCenterRatio">-80%</item>
         <item name="keyHintLabelRatio">@fraction/config_key_hint_label_ratio_lxx</item>