JSFiddle - React, Tailwind, and code Playground

HTML

<iframe class = "view"
src="http://5october.ru/showmepliz/?p=buttom&r=35e460857dbc9c38321d08220199a397"
</iframe>

CSS

html, body {
    width: 100%;
    height: 100%;
}
.view {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: none;
}