portainer/app/kubernetes/components/yaml-inspector/yamlInspector.html

<div>
  <code-editor identifier="application-details-yaml" read-only="true" value="$ctrl.data"></code-editor>
  <div style="margin: 15px;">
    <span class="btn btn-primary btn-sm" ng-click="$ctrl.copyYAML()"><i class="fa fa-copy space-right" aria-hidden="true"></i>Copy to clipboard</span>
    <span class="btn btn-primary btn-sm space-left" ng-click="$ctrl.toggleYAMLInspectorExpansion()">
      <i class="fa fa-{{ $ctrl.expanded ? 'minus' : 'plus' }} space-right" aria-hidden="true"></i>{{ $ctrl.expanded ? 'Collapse' : 'Expand' }}</span>
    <span id="copyNotificationYAML" style="margin-left: 7px; display: none; color: #23ae89;" class="small"> <i class="fa fa-check" aria-hidden="true"></i> copied </span>
  </div>
</div>