fix navigation bubble width and height on mobile
fix navigation bubble width and height on mobile

Ardinis/server,cernbox/core,pmattern/server,owncloud/core,cernbox/core,endsguy/server,sharidas/core,pixelipo/server,whitekiba/server,michaelletzgus/nextcloud-server,pmattern/server,xx621998xx/server,xx621998xx/server,jbicha/server,nextcloud/server,bluelml/core,owncloud/core,pollopolea/core,Ardinis/server,jbicha/server,pixelipo/server,pollopolea/core,lrytz/core,pixelipo/server,Ardinis/server,andreas-p/nextcloud-server,IljaN/core,sharidas/core,IljaN/core,michaelletzgus/nextcloud-server,jbicha/server,michaelletzgus/nextcloud-server,pixelipo/server,Ardinis/server,jbicha/server,bluelml/core,nextcloud/server,sharidas/core,nextcloud/server,andreas-p/nextcloud-server,pollopolea/core,lrytz/core,whitekiba/server,xx621998xx/server,pollopolea/core,nextcloud/server,endsguy/server,pmattern/server,cernbox/core,lrytz/core,andreas-p/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,jbicha/server,lrytz/core,lrytz/core,pixelipo/server,bluelml/core,IljaN/core,xx621998xx/server,endsguy/server,bluelml/core,owncloud/core,IljaN/core,cernbox/core,Ardinis/server,whitekiba/server,IljaN/core,whitekiba/server,pollopolea/core,whitekiba/server,pmattern/server,cernbox/core,endsguy/server,xx621998xx/server,phil-davis/core,bluelml/core,michaelletzgus/nextcloud-server,sharidas/core,owncloud/core,owncloud/core,sharidas/core,endsguy/server,pmattern/server