Align everything to center

I have the Jetpack subscription box (I use it as part of my footer instead of a widget) but there are no options to align it (especially the submit button and text description to subscribe) to the center in Elementor. I even tried some CSS but it just won’t budge. In Elementor, I have to tweak the padding and margins just to make it look like it’s even remotely centered. I’ve tried it as a separate widget but there’s still no way of centering it.

Is there a way around this?