JSFiddle - React, Tailwind, and code Playground

HTML

<div id="paper"><span class="sen">One</span> going over the hill</div>

CSS

#paper {font-size:4em;}
.sen {color:yellow;font-size:.2em;}

JavaScript

var one = document.getElementById("paper");
one.innerHTML ="Lets go to the...";
one.className="sen";