Update theme.py

theme.py

@@ -51,6 +51,7 @@ class Theme(Base):
             body_background_fill='*primary_700',
             background_fill_primary_dark="*neutral_900",
             background_fill_secondary_dark="*neutral_800",
+            block_background_fill='*primary_100',
             block_background_fill_dark="*neutral_800",
             input_background_fill_dark="*neutral_700",
             # Button Colors