app/server-control/controllers/remote-console-window-controller.html

<div class="serial-lan__header">
  <button class="btn  btn-tertiary" ng-click="close()">
    <icon file="icon-return.svg"></icon>Return to OpenBmc</button>
</div>
<div id="term-container" class="window-terminal-container">
  <serial-console show-tab-btn="false"></serial-console>
</div>