IONIC 2 Add SCSS Depends on Platform

Hi Guys,

I have designed one login page application. It will shows different way in all the three platform. But i want to customize my app style depends upon the platform, for example android, ios, windows.

Possible to customize my page scss(login.scss) file or i want to use variable.scss file.

In the below i have attached screenshots. Give me some sample scss file and where i can add it & how.

If any one need i have shared my login page html and login.scss file
Thanks Guys…