JSFiddle - React, Tailwind, and code Playground

HTML

<div>
		<span id="click" tabindex="-1">Внутренний элемент</span>
	</div>

CSS

div{
	border: 10px solid red;
}
.focus {
	border: 10px solid blue;
}

JavaScript

var elemClick =  document.getElementById('click')
    elemClick.onfocus = function(){
    	this.parentNode.className = 'focus';
    }
    elemClick.onblur = function(){
    	this.parentNode.className = '';
    }