Change footer's font color and inner space color

Hi!

I've changed footer color creating a custom.css in folder /templates/t3_bs3_blank/css in this way:

.t3-footer {

  background: #262626

}

But I want change in the same custom.css, font color (only in the footer) and inner space in every footer modules.
What code I must insert in custom.css to do it?

Thanks as ever!!!

Here a screenshot: