JSFiddle - React, Tailwind, and code Playground

HTML

<div class = "overallDiv">
<div id="example"><img src = "http://placehold.it/300x200/0fa" style="width:100vw; opacity: 0.5;"/></div></div>

CSS

.overallDiv{
	position:absolute;
  border: 1px solid red;
}
#example{
  width: 100vw;
  line-height: 0;
}