JSFiddle - React, Tailwind, and code Playground

HTML

<div class="footerimages">
    <a href="http://www.facebook.com" target="_blank"  title="Bread" ><img src="http://lorempixel.com/output/food-q-c-300-300-10.jpg"/><img id="pop" src="http://i.stack.imgur.com/suebb.png"/></a>
    </div>

CSS

.footerimages img {
    width: 50px;
    height: 50px;
}
 #pop{
    background:red;
    width:30px;
    height:30px;
    display:none;
    position:absolute;
    top:0;
    left:29px;
    border:2px solid black;
}
 .footerimages img:hover + #pop{
    display:block;
}