Nowadays frontend:

py-2 px-4 bg-green-500 text-white font-semibold rounded-lg shadow-md hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-green-400 focus:ring-opacity-75 w-16 h-16 rounded text-white bg-black py-1 px-2 m-1 text-sm md:w-32 md:h-32 md:rounded-md