JSFiddle - React, Tailwind, and code Playground

by CoolBlue

HTML

<div class="outer">
    <div class="inner">inner</div>
</div>
<div class="overlay" style="display: block;">
overlay    
</div>

CSS

html
{
	position: relative;
	min-width: 100%;
	height: 100%;
	min-height:100%;
}

body
{
	position: relative;
	min-width: 100%;
	min-height:100%;
	font-size: 100%;
    background-image: linear-gradient(black 10%, transparent 10%);
    background-size: auto 10px;
    padding: 0;
    margin: 0;

}
.outer
{
	position: relative;
	top: 0em;
	left: 0em;
	width: 100%;
	height: 50px;
    padding-left: 200px;
    margin: 0;
/*
    border: 1px solid transparent;
*/
    background-color: #ff0000;
    opacity: 0.5;

}

.outer:before{
    content: 'outer';
    visibility: hidden;
}

.overlay
{
	position: absolute;
    text-align: center;
    color: yellow;
    top: 0px;
	left: 0em;
	width: 100%;
	height: 100%;
    border: 3px dashed yellow;
	background-color: #0000ff;
	-moz-opacity: 0.50;
	-khtml-opacity: 0.50;
	-webkit-opacity: 0.50;
	opacity: 0.50;
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha"(Opacity=50);
	filter: progid:DXImageTransform.Microsoft.Alpha(opacity=50);
	filter:alpha(opacity=50);
	z-index: 6;
	display: none;

}

.inner
{
	position: relative;
	width: 100%;
    border: 3px dotted green;
/*	border: none;*/
	margin: 0em;
	padding: 0em;
	margin-top: 100px;
    margin-left: -200px;
	overflow: hidden;
	z-index: 0;
}