JSFiddle - React, Tailwind, and code Playground

by derekstory

HTML

<img id="map" src="images/big_image.jpg" alt="xxx" width="2160" height="589"/>
<div id="small_image" class="bridge"></div>

CSS

#map {

 border-bottom: 1px solid gray;
 border-top: 1px solid gray;
 overflow:hidden;
 position:relative;
 left:0;
 top: 0;
 z-index:1;

}

.bridge {
    opacity: 0;
    background: #000;
    position: absolute;
    width:50px;
    height:50px;
    cursor:pointer;
    z-index:10; 
    border: 5px solid white;
}
.bridge:hover {
    opacity: 1.0;
}

#small_image {
    top: 10px;
    left: 10px;
    width: 200px;
    height: 200px;
    background-image: #000 ;

}