record-rtc.html

<div class="row">
  <div class="col-xs-12">
    <video #video class="video"></video>
  </div>
</div>
<div class="row">
  <div class="col-xs-12">
    <button md-raised-button color="primary" (click)="startRecording()"> Record </button>
    <button md-raised-button color="primary"(click) ="stopRecording()"> Stop</button>
    <button md-raised-button color="primary" (click)="download()"> Download</button>
  </div>
</div>

record-rtc.scss

.video {
  box-shadow: 1px 6px 10px 2px rgba(35, 35, 35, 0.62);
  height: 600px;
  max-height: 800px;
  width: 1067px;
}

.row {
  margin-bottom: 20px;
}