The badges provided by all store providers just don't play well together and using svg or png assets makes localization a pain.
So let's make them all visually unified, with pure text for easier localization and some web interaction styles. And different sizes with the same markup by using some modifier classes.
Read more about those badges: https://kremalicious.com/css-app-store-badges/
Grab them as npm or bower package or just explore the source: https://github.com/kremalicious/appstorebadges