JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="image-container">
        <img src="http://jsfiddle.net/img/logo.png" width="272" height="46"/>
    </div>
    <a class="link" href="#">Link</a>
</div>

CSS

.container {
    position: relative;
    width: 272px;
    height: 46px;
    background: #69c;
    overflow: hidden;
}

.image-container {
    position: absolute;
    top: 0;
    left: 0;
}

.image-container img {
    opacity: 0.5;
    border-radius: 8px;
}

.container:hover img {
    opacity: 1;
}

.link {
    display: block;
    position: absolute;
    right: 0;
    bottom: -20px;
    width: 100px;
    height: 20px;
    background: rgba(255,0,0,0.5);
    transition: all 0.1s ease 0s;
}

.container:hover .link {
    bottom: 0px;
}