JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <img src="http://dummyimage.com/600x600/000/fff.jpg">
    <div class="left">
    </div>
    <div class="right">
    </div>
</div>

CSS

.container {
        position: fixed;
        top: 50%;
        left: 50%;
        width: 600px;
        height: 600px;
        margin-top: -300px;
        margin-left: -300px;
        background-color: lightgrey;
        z-index: 10000;
}

.left {
        position: absolute;
        top: 0;
        left: 0;
        width: 100px;
        height: 100%;
        cursor: pointer;
        z-index: 10500;
}

.left:hover {
        background: rgba(248, 248, 248, 0) left center no-repeat url("http://imageshack.com/a/img823/9885/bsux.png");
}

.right {
        position: absolute;
        top: 0;
        right: 0;
        width: 100px;
        height: 100%;
        cursor: pointer;
        z-index: 10500;
}

.right:hover {
        background: rgba(248, 248, 248, 0) right center no-repeat url("http://imageshack.com/a/img845/5814/75r3.png");
}