test

.iframe-container {
margin: 0px;
padding: 0px;
width: 1024px;
height: 720px;
border: none;
}

<iframe
id="1"
name="my_frame"
title="Title"
src="https://forms.bloo.io/f/cl1b9i1fv893758awqdqhp7o6uh"
align="center"
scrolling="yes" class="iframe-container"

></iframe>