Unify step template width (#326)
Unify step template width (#326)

* [feat] Unify step pages width to 30em
* [fix] Improve inputs CSS rules to fit in step pages width

poupotte/cozy-proxy,poupotte/cozy-proxy,cozy/cozy-proxy,nono/cozy-proxy,nono/cozy-proxy,cozy/cozy-proxy