JSFiddle - React, Tailwind, and code Playground

by NicoO

HTML

<div id="wrap">
    <div id="table-container">
    <table>
        <colgroup>
            <col style="width: 40px;"/>
            <col style="width: 144px;"/>
        </colgroup>
        <thead>
            <tr>
                <th><span>col1</span></th>
                <th>
                    <span>col2</span>
                    <button id="toggle-overlay">Toggle Menu</button>
                    <div id="overlay">
                        <p>Hi! I'am a overlay. I'am set to positio fixed, so i should have my own viewpoint.</p>
                    </div>
                </th>
            </tr>
        </thead>
        <tbody>
            <tr><td>1</td><td>2</td></tr>
            <tr><td>3</td><td>4</td></tr>
        </tbody>
    </table>
    </div>
</div>

CSS

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html,
body
{
  height: 100%;
    width: 100%;
  overflow: hidden;
}

#wrap
{
        bottom: 0;
    clear: both;
    left: 0;
    overflow: auto;
    position: absolute;
    right: 0;
    top: 0;
}

#table-container
{
    left: 0;
    margin-top: 0;
    padding-left: 0;
    padding-right: 0;
    position: absolute;
    top: 0;
    width: 400px;
    z-index: 2;
    border-bottom: 1px solid hsl(0, 0%, 100%);
    box-shadow: 0 2px 2px hsla(220, 74%, 33%, 0.1);
    overflow: hidden;
    background-color: gray;
}

table
{
    margin: 0;
    table-layout: fixed;
    width: 104.382%;
    border: 0 none;
    border-collapse: collapse;
    border-spacing: 0;
    background-color: green;
}

#overlay
{
    top: 30px;
    left: 20px;
    right: 20px;
    position: fixed;
    background-color: yellow;
    height: 200px;
    
}

JavaScript

$(function(){
    $("#toggle-overlay").click(function(){
       $('#overlay').toggle(); 
    });
});