anchor.diff:        var button_close = $('<button>').addClass('c-Btn c-Btn--dominant c-Btn--drawer c-Btn--drawer--close js-menubutton')
           .attr('type','button')
           .attr('name','close')
  -        .attr('title','close')
  +        .attr('title','close top menu')
           .append($('<i>').addClass('material-icons').text('close'))
           .click(function () {
             $('.o-SiteHead__Nav').addClass('js-universalnav')
  
positive.code:       var button_open = $('<button>').addClass('c-Btn c-Btn--flat c-Btn--drawer js-menubutton')
          .attr('type','button')
          .attr('name','open')
          .attr('title','top menu')
          .append($('<i>').addClass('material-icons').text('menu'))
          .click(function () {
            $('.o-SiteHead__Nav').removeClass('js-universalnav')
  
negative.code:             a.o-Block.c-MenuUniversal__Link.c-MenuUniversal__Link--current(href=page.href)
                i.material-icons= page.icon.content
                span= conference.current.name
          //- button.c-Btn.c-Btn--dominant.c-Btn--drawer.c-Btn--drawer--close.js-menubutton(type="button" name="close" title="close top menu"): i.material-icons close
        //- button.c-Btn.c-Btn--flat.c-Btn--drawer.js-menubutton(type="button" name="open" title="open top menu"): i.material-icons menu
      block standard-menu
      main
        block main
  