<div style="width: 100%; aspect-ratio: 4 / 7; max-width: 500px; margin: 0 auto;">
<iframe
src="https://rdamodar.com.np/tools/viewfinder-simulator.html"
style="width: 100%; height: 100vh; border: none;"
title="Exposure Triangle Simulator"
scrolling="no">
</iframe>
</div>