Conditionnal CSS in simple-thermostat

[limouzin (Denis Limouzin)]

Hello everybody,
First of all : happy new year for coding.
I wanted that my background card as a different color depending to a stat value
Blue for cold, orange for warm, etc.
Have you an idea of how i can do this.
In the style or ?
Thanks

[krskrab]

Lovelace: Simple thermostat card

Driven by a want for a simpler thermostat card in terms of interactions and usability, that would also be more flexible and make information clearer I’ve built this card for Lovelace, simple-thermostat. I need to give a lot of credit to @magnus.overli as a faithful tester and having at least 50% of the needs that we’ve tried to cover with this card [59] As you can see the main difference is that it replaces the round dial with simple buttons and it presents relevant entity a…

[limouzin (Denis Limouzin)]

Thanks for your answer.
I’m using simple-themostat and i wanted that the backgroud of the card or the temperature text changes of color when the airconditionner is heating or when it’s cooling and or when air demand is on.
Excuse my bad english (I’m french )
Happy new year