add delete undo styles
add delete undo styles

use less right padding

better styling, fix padding issues

no special color for undo nav entry

fix fallback width

use class for button

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