Maintaining Width of multi-picklist on visualforce page in Salesforce

$(document).ready(function(){
  $("[id*='_unselected']").dblclick(function(){
 setTimeout(function() {
  $("[id*='_unselected']").removeAttr('style');
  $("[id*='_selected']").removeAttr('style');
 }, 100);
  });
  $("[id*='_selected']").dblclick(function(){
 setTimeout(function() {
  $("[id*='_unselected']").removeAttr('style');
  $("[id*='_selected']").removeAttr('style');
 }, 100);
  });
  $("[title='Add']").click(function(){
 setTimeout(function() {
  $("[id*='_unselected']").removeAttr('style');
  $("[id*='_selected']").removeAttr('style');
 }, 100);     
  });
  $("[title='Remove']").click(function(){
 setTimeout(function() {
  $("[id*='_unselected']").removeAttr('style');
  $("[id*='_selected']").removeAttr('style');
 }, 100);
  });
});