mempool/frontend/src/app/components/clipboard/clipboard.component.html

<ng-template [ngIf]="button" [ngIfElse]="btnLink">
  <button #btn [attr.data-clipboard-text]="text" [class]="class" type="button" [disabled]="text === ''">
    <span #buttonWrapper [attr.data-tlite]="copiedMessage" style="position: relative;top: -2px;left: 1px;">
      <app-svg-images name="clippy" [width]="size === 'small' ? '10' : '13'" viewBox="0 0 1000 1000"></app-svg-images>
    </span>
  </button>
</ng-template>

<ng-template #btnLink>
  <span #buttonWrapper [attr.data-tlite]="copiedMessage" style="position: relative;">
    <button #btn class="btn btn-sm btn-link pt-0 {{ leftPadding ? 'padding' : '' }}" [attr.data-clipboard-text]="text"> 
      <app-svg-images name="clippy" [width]="size === 'small' ? '10' : '13'" viewBox="0 0 1000 1000"></app-svg-images>
    </button>
  </span>
</ng-template>