JSFiddle - React, Tailwind, and code Playground

by kodjoe mambi

HTML

<div id="popup1" class="overlay">
 
    <div class="popup" >
    <h2>Here i am</h2>
    <a class="close" href="#popup1">×</a>
   
    <div class="content">
    Thank to pop me out of that button, but now i'm done so you can close this window.
    </div>
    
    </div>
    
</div>

CSS

.overlay {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0, 0, 0, 0.7);
transition: opacity 500ms;
visibility: visible;
opacity: 1;
}
          
.overlay:target {
visibility: hidden;
opacity: 0;
display:none
}

#popup1 {
display:none;
}

.popup {
margin: 100px auto;
padding: 30px;
background: #fff;
width: 60%;
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;
}

JavaScript

setTimeout(function(){
  document.getElementById("popup1").style.cssText  = "display:inline";
}, 2000);