JSFiddle - React, Tailwind, and code Playground

HTML

<!-- Div Rouge qui doit etre au dessus du SWF -->
                
<div id="B" onclick="alert('test')">
lkjhkljhkljhkljhkljh
</div>            
                
        
<!-- Script Flash SWF -->                

<object type="application/x-shockwave-flash" src="http://www.elecatel.66ghz.com/bluebirdie00.swf" width="50%" height="50%" id="myContent" style="visibility: visible; ">
    <param name="bgcolor" value="#FBC719" />
    <param name="flashvars" value="clientip=127.0.0.1&amp;subreddit=#" />

</object>

CSS

#B{
    position:absolute;
   background-color:#BB2222;
   width:421px;
   height:81px;
   top:-1%;
   left:1%;
   z-index:50;
}