Group buttons to a card

Hey guys

What I’m looking for is surely no problem for you. But for me it is, as I haven’t found the right thing to copy and adapt yet.
I want to have lovelace cards that highlight from the rest with a certain background color, which have got titles and contains of a certain number of custom buttons.
What I want to do is creating cards for rooms with all the respective lights in it.
Can anyone help me?