<div  style="position: relative;overflow: hidden;width: 100%;padding-top: 27.34%; ">
  <iframe src=“{PATH TO INDEX2.HTML}" scrolling="no" style="position: absolute;top: 0;left: 0;bottom: 0;right: 0;width: 100%;height: 100%;
  background-color:#374f90;border:0px;max-width: 1280px;max-height: 380px;"></iframe>
</div>