portainer/app/extensions/oauth/components/oauth-providers-selector/oauth-providers-selector.html

<div class="col-sm-12 form-section-title">
    Provider
  </div>


<div class="form-group">
  <div class="col-sm-12">
    <select
      class="form-control"
      id="oauth-provider-selector"
      ng-model="$ctrl.selectedProvider"
      ng-change="$ctrl.onSelect($ctrl.selectedProvider)"
      ng-options="provider as provider.name for provider in $ctrl.providers"
    >
  </select>
  </div>
</div>