mempool/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html

<div class="blocks-container blockchain-blocks-container" *ngIf="(loadingBlocks$ | async) === false; else loadingBlocksTemplate">
  <div *ngFor="let block of blocks; let i = index; trackBy: trackByBlocksFn" >
    <div class="text-center bitcoin-block mined-block blockchain-blocks-{{ i }}" id="bitcoin-block-{{ block.height }}" [ngStyle]="blockStyles[i]">
      <a [routerLink]="['/block/' | relativeUrl, block.id]" [state]="{ data: { block: block } }" class="blockLink">&nbsp;</a>
      <div class="block-height">
        <a [routerLink]="['/block/' | relativeUrl, block.id]" [state]="{ data: { block: block } }">{{ block.height }}</a>
      </div>
      <div class="block-body">
        <div class="fees">
          ~{{ block.medianFee | number:feeRounding }} <ng-container i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container>
        </div>
        <div class="fee-span">
          {{ block.feeRange[1] | number:feeRounding }} - {{ block.feeRange[block.feeRange.length - 1] | number:feeRounding }} <ng-container i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container>
        </div>
        <div class="block-size" [innerHTML]="'&lrm;' + (block.size | bytes: 2)"></div>
        <div class="transaction-count">
          <ng-container *ngTemplateOutlet="block.tx_count === 1 ? transactionsSingular : transactionsPlural; context: {$implicit: block.tx_count | number}"></ng-container>
          <ng-template #transactionsSingular let-i i18n="shared.transaction-count.singular">{{ i }} transaction</ng-template>
          <ng-template #transactionsPlural let-i i18n="shared.transaction-count.plural">{{ i }} transactions</ng-template>
        </div>
        <div class="time-difference"><app-time-since [time]="block.timestamp" [fastRender]="true"></app-time-since></div>
      </div>
    </div>
  </div>
  <div [hidden]="!arrowVisible" id="arrow-up" [style.transition]="transition" [ngStyle]="{'left': arrowLeftPx + 'px' }"></div>
</div>

<ng-template #loadingBlocksTemplate >
  <div class="blocks-container">
    <div class="flashing">
      <div *ngFor="let block of emptyBlocks; let i = index; trackBy: trackByBlocksFn" >
        <div class="text-center bitcoin-block mined-block" id="bitcoin-block-{{ block.height }}" [ngStyle]="emptyBlockStyles[i]"></div>
      </div>
    </div>
  </div>
</ng-template>