r-muted-item');

      switchElement.addEventListener('change', function() {
        if (switchElement.checked) {
          discovererMutedItems.forEach(item => {
            item.classList.remove('is-crossed', 'u-text--muted');
            item.classList.add('is-ticked');
          });
          discovererItems.forEach(item => {
            item.classList.add('u-hide');
          });
          discovererProItems.forEach(item => {
            item.classList.remove('u-hide');
          });
          discover