make button for downgrade centered and lower

services/web/app/views/subscriptions/dashboard.jade

@@ -122,7 +122,8 @@ block content
 
 							div(ng-show="isMonthlyCollab && !stillInFreeTrial", style="text-align: center")
 								span(ng-controller="ChangePlanFormController")
-									!{translate("interested_in_cheaper_plan",{price:'{{studentPrice}}'})}
+									p
+										!{translate("interested_in_cheaper_plan",{price:'{{studentPrice}}'})}
 									button(type="submit", ng-click="downgradeToStudent()", ng-disabled='inflight').btn.btn-success #{translate("yes_please")}
 									p
 										|