JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div class="inner">
        <div class="frame sidebar"></div>
        <div class="frame content">
            <span class="toggle">&times;</span>
        </div>
    </div>
</div>

CSS

html, body {
    height: 100%;
    position: relative;
}
.wrapper {
    position: relative;
    display: table;
    height: 100%;
    width: 100%;
}
.wrapper .inner {
    width: 100%;
    display: table-row;
}
.wrapper .inner .frame {
    display: table-cell;
    position: relative;
    height: 100%
}
.wrapper .inner .frame.sidebar {
    width: 200px;
    background-color: #ff0000;
    overflow: hidden;
}
.wrapper .inner .frame.sidebar.hide {
    display: none;
}
.wrapper .inner .frame.content {
    background-color: #ffff00
}
.toggle {
    display: inline-block;
    color: #ffffff;
    background-color: #0000ff;
    cursor: pointer;
}

JavaScript

$(document).ready(function(){
    $(".toggle").on("click", function(){
        $(".sidebar").toggleClass("hide");
    });
});