JSFiddle - React, Tailwind, and code Playground

HTML

<label class="title">
    <input type="radio" class='checkbox' name="heading" checked="checked" />Introduction and General Information about the Marketing Tool</label>
<label class="title">
    <input type="radio" class='checkbox' name="heading" />Implementation Steps of the Marketing Tool</label>

CSS

.title {
        display: block;
        font-size: 20px;
        margin-bottom: 5px;
    }
    .title, input {
        cursor: pointer;
    }

JavaScript

$(document).ready(function (e) {
            $(":radio").on("click", function (event) {
                alert('clicked');
            });
        });