<style>
#og_frame {
  width: 100%;
  border: none;
  display: block;
  height: 1800px;
}
</style>

<iframe 
  id="og_frame"
  title="HELOC CALCULATOR"
  src="https://bankofhawaii.outgrow.us/691c1caa1591deca1701deec?custom=1"
  scrolling="no"
  allow="camera *;">
</iframe>