cleaned up

doc/home_assistant/ui-lovelace.yaml

@@ -39,16 +39,15 @@ views:
             - type: divider
             - sensor.last_shower_duration
             - sensor.showertime_time
-        - type: custom:button-card
-          color: auto
+        - type: entity-button
           icon: mdi:shower-head
           name: send a cold shot of shower water
-          style:
-            - text-transform: none
-            - color: rgb(28, 128, 199)
-            - font-weight: bold
           entity: script.shower_coldshot
-          show_state: false
+          tap_action:
+            action: call-service
+            service: script.turn_on
+            service_data:
+              entity_id: script.shower_coldshot
             
       - type: vertical-stack
         cards: