quay/static/directives/cor-step.html

<span ng-class="text ? 'co-step-element text' : 'co-step-element icon'">
  <span data-title="{{ title }}" bs-tooltip>
      <span class="text" ng-if="text">{{ text }}</span>
      <i class="fa fa-lg" ng-if="icon" ng-class="'fa-' + icon"></i>
  </span>
</span>