diff --git a/custom_cards/custom_card_damix48_power_details/languages/EN.yaml b/custom_cards/custom_card_damix48_power_details/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_damix48_power_details/languages/EN.yaml
rename to custom_cards/custom_card_damix48_power_details/languages/en.yaml
diff --git a/custom_cards/custom_card_damix48_power_details/languages/IT.yaml b/custom_cards/custom_card_damix48_power_details/languages/it.yaml
similarity index 100%
rename from custom_cards/custom_card_damix48_power_details/languages/IT.yaml
rename to custom_cards/custom_card_damix48_power_details/languages/it.yaml
diff --git a/custom_cards/custom_card_damix48_power_details/languages/PL.yaml b/custom_cards/custom_card_damix48_power_details/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_damix48_power_details/languages/PL.yaml
rename to custom_cards/custom_card_damix48_power_details/languages/pl.yaml
diff --git a/custom_cards/custom_card_heat_pump/languages/EN.yaml b/custom_cards/custom_card_heat_pump/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_heat_pump/languages/EN.yaml
rename to custom_cards/custom_card_heat_pump/languages/en.yaml
diff --git a/custom_cards/custom_card_heat_pump/languages/PL.yaml b/custom_cards/custom_card_heat_pump/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_heat_pump/languages/PL.yaml
rename to custom_cards/custom_card_heat_pump/languages/pl.yaml
diff --git a/custom_cards/custom_card_httpedo13_thermostat/languages/EN.yaml b/custom_cards/custom_card_httpedo13_thermostat/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_httpedo13_thermostat/languages/EN.yaml
rename to custom_cards/custom_card_httpedo13_thermostat/languages/en.yaml
diff --git a/custom_cards/custom_card_httpedo13_thermostat/languages/ES.yaml b/custom_cards/custom_card_httpedo13_thermostat/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_httpedo13_thermostat/languages/ES.yaml
rename to custom_cards/custom_card_httpedo13_thermostat/languages/es.yaml
diff --git a/custom_cards/custom_card_httpedo13_thermostat/languages/PL.yaml b/custom_cards/custom_card_httpedo13_thermostat/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_httpedo13_thermostat/languages/PL.yaml
rename to custom_cards/custom_card_httpedo13_thermostat/languages/pl.yaml
diff --git a/custom_cards/custom_card_httpedo13_thermostat/languages/PT.yaml b/custom_cards/custom_card_httpedo13_thermostat/languages/pt.yaml
similarity index 100%
rename from custom_cards/custom_card_httpedo13_thermostat/languages/PT.yaml
rename to custom_cards/custom_card_httpedo13_thermostat/languages/pt.yaml
diff --git a/custom_cards/custom_card_imswel_person/languages/DE.yaml b/custom_cards/custom_card_imswel_person/languages/de.yaml
similarity index 100%
rename from custom_cards/custom_card_imswel_person/languages/DE.yaml
rename to custom_cards/custom_card_imswel_person/languages/de.yaml
diff --git a/custom_cards/custom_card_imswel_person/languages/EN.yaml b/custom_cards/custom_card_imswel_person/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_imswel_person/languages/EN.yaml
rename to custom_cards/custom_card_imswel_person/languages/en.yaml
diff --git a/custom_cards/custom_card_imswel_person/languages/ES.yaml b/custom_cards/custom_card_imswel_person/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_imswel_person/languages/ES.yaml
rename to custom_cards/custom_card_imswel_person/languages/es.yaml
diff --git a/custom_cards/custom_card_imswel_person/languages/FR.yaml b/custom_cards/custom_card_imswel_person/languages/fr.yaml
similarity index 100%
rename from custom_cards/custom_card_imswel_person/languages/FR.yaml
rename to custom_cards/custom_card_imswel_person/languages/fr.yaml
diff --git a/custom_cards/custom_card_imswel_person/languages/IT.yaml b/custom_cards/custom_card_imswel_person/languages/it.yaml
similarity index 100%
rename from custom_cards/custom_card_imswel_person/languages/IT.yaml
rename to custom_cards/custom_card_imswel_person/languages/it.yaml
diff --git a/custom_cards/custom_card_imswel_person/languages/PL.yaml b/custom_cards/custom_card_imswel_person/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_imswel_person/languages/PL.yaml
rename to custom_cards/custom_card_imswel_person/languages/pl.yaml
diff --git a/custom_cards/custom_card_paddy_dwd_pollen/languages/DE.yaml b/custom_cards/custom_card_paddy_dwd_pollen/languages/de.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_dwd_pollen/languages/DE.yaml
rename to custom_cards/custom_card_paddy_dwd_pollen/languages/de.yaml
diff --git a/custom_cards/custom_card_paddy_dwd_pollen/languages/EN.yaml b/custom_cards/custom_card_paddy_dwd_pollen/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_dwd_pollen/languages/EN.yaml
rename to custom_cards/custom_card_paddy_dwd_pollen/languages/en.yaml
diff --git a/custom_cards/custom_card_paddy_dwd_pollen/languages/ES.yaml b/custom_cards/custom_card_paddy_dwd_pollen/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_dwd_pollen/languages/ES.yaml
rename to custom_cards/custom_card_paddy_dwd_pollen/languages/es.yaml
diff --git a/custom_cards/custom_card_paddy_dwd_pollen/languages/PL.yaml b/custom_cards/custom_card_paddy_dwd_pollen/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_dwd_pollen/languages/PL.yaml
rename to custom_cards/custom_card_paddy_dwd_pollen/languages/pl.yaml
diff --git a/custom_cards/custom_card_paddy_welcome/languages/EN.yaml b/custom_cards/custom_card_paddy_welcome/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_welcome/languages/EN.yaml
rename to custom_cards/custom_card_paddy_welcome/languages/en.yaml
diff --git a/custom_cards/custom_card_paddy_welcome/languages/ES.yaml b/custom_cards/custom_card_paddy_welcome/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_welcome/languages/ES.yaml
rename to custom_cards/custom_card_paddy_welcome/languages/es.yaml
diff --git a/custom_cards/custom_card_paddy_welcome/languages/IT.yaml b/custom_cards/custom_card_paddy_welcome/languages/it.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_welcome/languages/IT.yaml
rename to custom_cards/custom_card_paddy_welcome/languages/it.yaml
diff --git a/custom_cards/custom_card_paddy_welcome/languages/PL.yaml b/custom_cards/custom_card_paddy_welcome/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_welcome/languages/PL.yaml
rename to custom_cards/custom_card_paddy_welcome/languages/pl.yaml
diff --git a/custom_cards/custom_card_paddy_welcome/languages/PT.yaml b/custom_cards/custom_card_paddy_welcome/languages/pt.yaml
similarity index 100%
rename from custom_cards/custom_card_paddy_welcome/languages/PT.yaml
rename to custom_cards/custom_card_paddy_welcome/languages/pt.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/DE.yaml b/custom_cards/custom_card_schumijo_car/languages/de.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/DE.yaml
rename to custom_cards/custom_card_schumijo_car/languages/de.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/EN.yaml b/custom_cards/custom_card_schumijo_car/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/EN.yaml
rename to custom_cards/custom_card_schumijo_car/languages/en.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/ES.yaml b/custom_cards/custom_card_schumijo_car/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/ES.yaml
rename to custom_cards/custom_card_schumijo_car/languages/es.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/FR.yaml b/custom_cards/custom_card_schumijo_car/languages/fr.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/FR.yaml
rename to custom_cards/custom_card_schumijo_car/languages/fr.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/IT.yaml b/custom_cards/custom_card_schumijo_car/languages/it.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/IT.yaml
rename to custom_cards/custom_card_schumijo_car/languages/it.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/PL.yaml b/custom_cards/custom_card_schumijo_car/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/PL.yaml
rename to custom_cards/custom_card_schumijo_car/languages/pl.yaml
diff --git a/custom_cards/custom_card_schumijo_car/languages/PT.yaml b/custom_cards/custom_card_schumijo_car/languages/pt.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_car/languages/PT.yaml
rename to custom_cards/custom_card_schumijo_car/languages/pt.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/DE.yaml b/custom_cards/custom_card_schumijo_flower/languages/de.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/DE.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/de.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/EN.yaml b/custom_cards/custom_card_schumijo_flower/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/EN.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/en.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/ES.yaml b/custom_cards/custom_card_schumijo_flower/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/ES.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/es.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/FR.yaml b/custom_cards/custom_card_schumijo_flower/languages/fr.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/FR.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/fr.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/IT.yaml b/custom_cards/custom_card_schumijo_flower/languages/it.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/IT.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/it.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/PL.yaml b/custom_cards/custom_card_schumijo_flower/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/PL.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/pl.yaml
diff --git a/custom_cards/custom_card_schumijo_flower/languages/PT.yaml b/custom_cards/custom_card_schumijo_flower/languages/pt.yaml
similarity index 100%
rename from custom_cards/custom_card_schumijo_flower/languages/PT.yaml
rename to custom_cards/custom_card_schumijo_flower/languages/pt.yaml
diff --git a/custom_cards/custom_card_tpx01_aircondition/languages/DE.yaml b/custom_cards/custom_card_tpx01_aircondition/languages/de.yaml
similarity index 100%
rename from custom_cards/custom_card_tpx01_aircondition/languages/DE.yaml
rename to custom_cards/custom_card_tpx01_aircondition/languages/de.yaml
diff --git a/custom_cards/custom_card_tpx01_aircondition/languages/EN.yaml b/custom_cards/custom_card_tpx01_aircondition/languages/en.yaml
similarity index 100%
rename from custom_cards/custom_card_tpx01_aircondition/languages/EN.yaml
rename to custom_cards/custom_card_tpx01_aircondition/languages/en.yaml
diff --git a/custom_cards/custom_card_tpx01_aircondition/languages/ES.yaml b/custom_cards/custom_card_tpx01_aircondition/languages/es.yaml
similarity index 100%
rename from custom_cards/custom_card_tpx01_aircondition/languages/ES.yaml
rename to custom_cards/custom_card_tpx01_aircondition/languages/es.yaml
diff --git a/custom_cards/custom_card_tpx01_aircondition/languages/FR.yaml b/custom_cards/custom_card_tpx01_aircondition/languages/fr.yaml
similarity index 100%
rename from custom_cards/custom_card_tpx01_aircondition/languages/FR.yaml
rename to custom_cards/custom_card_tpx01_aircondition/languages/fr.yaml
diff --git a/custom_cards/custom_card_tpx01_aircondition/languages/PL.yaml b/custom_cards/custom_card_tpx01_aircondition/languages/pl.yaml
similarity index 100%
rename from custom_cards/custom_card_tpx01_aircondition/languages/PL.yaml
rename to custom_cards/custom_card_tpx01_aircondition/languages/pl.yaml
diff --git a/custom_cards/custom_card_tpx01_aircondition/languages/PT.yaml b/custom_cards/custom_card_tpx01_aircondition/languages/pt.yaml
similarity index 100%
rename from custom_cards/custom_card_tpx01_aircondition/languages/PT.yaml
rename to custom_cards/custom_card_tpx01_aircondition/languages/pt.yaml
diff --git a/custom_components/ui_lovelace_minimalist/configure.py b/custom_components/ui_lovelace_minimalist/configure.py
index 9224aab42..4fdab4895 100644
--- a/custom_components/ui_lovelace_minimalist/configure.py
+++ b/custom_components/ui_lovelace_minimalist/configure.py
@@ -15,19 +15,19 @@
 _LOGGER: logging.Logger = logging.getLogger(__name__)
 
 LANGUAGES = {
-    "Czech": "CS",
-    "Danish": "DA",
-    "Dutch": "NL",
-    "English (GB)": "EN",
-    "French": "FR",
-    "German": "DE",
-    "Italian": "IT",
-    "Polish": "PL",
-    "Portuguese": "PT",
-    "Slovak": "SK",
-    "Spanish": "ES",
-    "Swedish": "SE",
-    "Norwegian": "NO",
+    "Czech": "cs",
+    "Danish": "da",
+    "German": "de",
+    "English (GB)": "en",
+    "Spanish": "es",
+    "French": "fr",
+    "Italian": "it",
+    "Dutch": "nl",
+    "Norwegian": "no",
+    "Polish": "pl",
+    "Portuguese": "pt",
+    "Slovak": "sk",
+    "Swedish": "sv",
 }
 
 
diff --git a/custom_components/ui_lovelace_minimalist/const.py b/custom_components/ui_lovelace_minimalist/const.py
index ed6bfec8d..e17319cd6 100644
--- a/custom_components/ui_lovelace_minimalist/const.py
+++ b/custom_components/ui_lovelace_minimalist/const.py
@@ -13,17 +13,17 @@
 CONF_LANGUAGES = [
     "Czech",
     "Danish",
-    "Dutch",
+    "German",
     "English (GB)",
+    "Spanish",
     "French",
-    "German",
     "Italian",
+    "Dutch",
+    "Norwegian",
     "Polish",
     "Portuguese",
     "Slovak",
-    "Spanish",
     "Swedish",
-    "Norwegian",
 ]
 CONF_SIDEPANEL_ENABLED = "sidepanel_enabled"
 CONF_SIDEPANEL_TITLE = "sidepanel_title"
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/CS.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/cs.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/CS.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/cs.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/DA.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/da.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/DA.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/da.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/DE.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/de.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/DE.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/de.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/EN.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/en.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/EN.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/en.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/ES.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/es.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/ES.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/es.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/FR.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/fr.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/FR.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/fr.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/IT.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/it.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/IT.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/it.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/NL.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/nl.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/NL.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/nl.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/NO.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/no.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/NO.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/no.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/PL.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/pl.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/PL.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/pl.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/PT.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/pt.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/PT.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/pt.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/SK.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/sk.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/SK.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/sk.yaml
diff --git a/custom_components/ui_lovelace_minimalist/lovelace/translations/SE.yaml b/custom_components/ui_lovelace_minimalist/lovelace/translations/sv.yaml
similarity index 100%
rename from custom_components/ui_lovelace_minimalist/lovelace/translations/SE.yaml
rename to custom_components/ui_lovelace_minimalist/lovelace/translations/sv.yaml