JSFiddle - React, Tailwind, and code Playground

HTML

<div class="glass">
    <div class="beer">
       <img src="http://i.imgur.com/idIq4qb.png" />
        <div class="filler"></div>
    </div>
</div>

CSS

body {
    margin:0;
    background-color:#d1dfea;
    height:400px;
}
.glass {
    min-height:24em;
    display:flex;
    align-items: center;
    justify-content: center;
}
.beer {
    position:relative;
}
.filler {
    position:absolute;
    border-top:2px solid #F9F1DC; 
    z-index:-1;
    bottom:5px;
    width:100%;
    height:20%;
    background-color:orange;
    transition: all 3s ease-out;
}

.beer:hover .filler{border-top:15px solid #F9F1DC; height:68%;transition: all 3s ease-out;}