JSFiddle - React, Tailwind, and code Playground

by Alireza Safian

HTML

<html>
<head>
<style>
    

body {
background-color: white;
width: 960px;
margin: auto;
position: relative;
}

.one {
background: black;
-webkit-border-radius: 12;
-moz-border-radius: 12;
border-radius: 12px;
font-family: Book Antiqua;
color: #ffffff;
font-size: 60px;
text-align: center;
width: 75px;
height: 75px;
overflow:hidden;
float:left;
position:absolute;
transition: .5s ease;
top: 120px;
left: 140px;
text-align: center;
text-vertical-align: middle;
}

.overlay {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0, 0, 0, 0.8);;
transition: opacity 500ms;
visibility: hidden;
opacity: 0;
}

.overlay:target {
visibility: visible;
opacity: 1;
}

.popup {
margin: 70px auto;
padding: 20px;
background: #fff;
border-radius: 5px;
width: 30%;
position: relative;
transition: all 5s ease-in-out;
}

.popup h2 {
margin-top: 0;
color: #333;
font-family: Tahoma, Arial, sans-serif;
}

.popup .close {
position: absolute;
top: 20px;
right: 30px;
transition: all 200ms;
font-size: 30px;
font-weight: bold;
text-decoration: none;
color: #333;
}

.popup .close:hover {
color: orange;
}

.popup .content {
max-height: 30%;
overflow: auto;
}

</style>
</head>
<body>

<a class="one" id="one" href="#popup1" onclick="changeZIndex(this)">1</a>
<div id="popup1" class="overlay">
<div class="popup">
    <h2>Here i am</h2>
    <a class="close" href="#">×</a>
    <div class="content">
        1
    </div>
</div>
</div>

</body>
</html>

CSS

html,body
{
    height: 100%;
}