message: fix sidebar height
diff: <li routerLink="/accounts" routerLinkActive="uk-active"><a routerLink="/accounts" routerLinkActive="active" class="uk-margin-left">Accounts</a></li>
  <li><a routerLink="/send" routerLinkActive="active" class="uk-margin-left">Send</a></li>
  <li>
  + <a routerLink="/receive" routerLinkActive="active" class="uk-margin-left">
  <div uk-grid>
  <div class="uk-width-3-4">
  - <a routerLink="/receive" routerLinkActive="active" class="uk-margin-left">Receive</a>
  + Receive
  </div>
  <div class="uk-width-1-4 uk-text-center">
  <span *ngIf="walletService.hasPendingTransactions()" class="uk-badge uk-text-top uk-align-center" style="font-size: 16px; padding-bottom: 2px;">New</span>
  </div>
  </div>
  + </a>
  </li>
  <li><a routerLink="/address-book" routerLinkActive="active" class="uk-margin-left">Address Book</a></li>
  <li class="uk-parent">
  