JSFiddle - React, Tailwind, and code Playground

HTML

<div id="kitten"><a href="#" id="click"/></div>

CSS

#kitten {
    background-image: url(http://i.imgur.com/OAe1Z.jpg);
    width:550px;
    height:679px;
    position:relative;
}

#click {
    position:absolute;
    left:240px;
    top:120px;
    width:150px;
    height:150px;
    border:2px solid yellow;
}
#click:hover {
    background-color:rgba(255,0,0,.5);
}