Revert "Revert "Tune number letter size of Material keyboard""

This reverts commit 5ad718f2cad358e0c84fb0ba8463b428bce3127a.
diff --git a/java/res/values-sw768dp/config.xml b/java/res/values-sw768dp/config.xml
index 12dd232..f573c40 100644
--- a/java/res/values-sw768dp/config.xml
+++ b/java/res/values-sw768dp/config.xml
@@ -43,10 +43,12 @@
     <dimen name="config_key_preview_height">94.5dp</dimen>
     <fraction name="config_key_preview_text_ratio">50%</fraction>
     <fraction name="config_key_letter_ratio">40%</fraction>
-    <fraction name="config_key_large_letter_ratio">42%</fraction>
+    <fraction name="config_key_large_letter_ratio_holo">42%</fraction>
+    <fraction name="config_key_large_letter_ratio_lxx">60%</fraction>
     <fraction name="config_key_label_ratio">28%</fraction>
     <fraction name="config_key_hint_letter_ratio">23%</fraction>
-    <fraction name="config_key_hint_label_ratio">28%</fraction>
+    <fraction name="config_key_hint_label_ratio_holo">28%</fraction>
+    <fraction name="config_key_hint_label_ratio_lxx">20%</fraction>
     <fraction name="config_key_shifted_letter_hint_ratio">26%</fraction>
     <fraction name="config_language_on_spacebar_text_ratio">29.03%</fraction>
     <dimen name="config_key_hint_letter_padding">3dp</dimen>