JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <input id="#seats">
  <label for="seats">Lorem Ipsum</label>
  <span>Lorem Ipsum</span>
  <div class="some-class"></div>
</div>

CSS

input.active {
  outline: 1px solid #03a9f4;
}

JavaScript

$('#seats').click(function() {
	$(this).closest('.some-class').addClass('active');
});