JSFiddle - React, Tailwind, and code Playground

HTML

<button>Fazer RESET!</button>
<div>Texto</div>
<div>Texto</div>
<div>Texto</div>
<div style="font-style:italic;">Texto</div>
<div>Texto</div>
<div>Texto</div>

CSS

div{
    color: blue;
    background-color: #ccf;
}
div:hover{
    color:red;
    background-color: #fcf;
}

JavaScript

$('div').css({"font-size":"36px",
              "color":"green" });
$('button').click(function(){
    $('div').css("cssText", "")
});