JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <div class="circle">W</div>
  <div class="circle">X</div>
</div>
<div>
  <div class="circle">y</div>
  <div class="circle">t</div>
</div>

CSS

.circle {
  height: 150px;
  width: 150px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  text-align: center;
  vertical-align: middle;
  line-height: 150px;
  font-size: 50px;
}

.scale {
  line-height: 135px;
}

JavaScript

var circles = document.getElementsByClassName('circle');
var tails = ['q', 'y', 'p', 'g', 'j'] ;

Array.from(circles).forEach(render);
  
function render(element) { 		
    if(element.innerText == element.innerText.toLowerCase() &&
    	tails.includes(element.innerText)) {
    	element.className += " scale";
    }
}