Make button width dynamic
Make button width dynamic

nulib/avalon,avalonmediasystem/avalon,avalonmediasystem/avalon,nulib/avalon,uvalib/avalon,uvalib/avalon,uvalib/avalon,avalonmediasystem/avalon,nulib/avalon,uvalib/avalon,nulib/avalon,avalonmediasystem/avalon