JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main-content">
    <div id="detailblock">
        <div class="tabsblock">
            <section class="editblock">
                <form id="target">
                    <div class="editblock-item">
                        <div class="input textarea">
                            <div class="editor_box">//LINE BELOW:
                                <div class="editor_editor_text">//Something inside of div...</div>
                            </div>
                        </div>
                    </div>
                </form>
            </section>
        </div>
    </div>
</div>

JavaScript

$(function (){
    $('.editor_editor_text').css({"background-color":"green"});
});