How to set Ion-checkbox as a box or circle regardless of platform

I am using ion-checkboxes and need to set the checkbox to a square for both platforms. Does anyone know how to set this value so my iOS Ion-checkbox looks like an Android ion-checkbox?

After reading through the checkbox sass documentation I found the class variable “checkbox-square”. I’ve used class=“checkbox-square”. If only the documentation showed how to make them larger and move the text closer to the box.

meteoric/ionic-sass