JSFiddle - React, Tailwind, and code Playground

HTML

<div class="bars menu">
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>    
</div>

<div class="bars">
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>    
</div>

<div class="bars large">
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>    
</div>

CSS

body {
    background-color: steelblue;
}

.bars {
    width: 100px;
    height: 100px;
    margin-bottom: 50px;
    cursor: pointer;
    -webkit-filter: drop-shadow(0 .2em .2em rgba(0,0,0,.2));
}

.bar {
    background: #fff;
    position: relative;
    height: 20%;
    margin: 0 0 20%;
    border: 1px solid red;
    border-radius: 50% / 3em;
}

.bar div {
    width: 80%;
    height: 100%;
    margin: 0 auto;
    background-color: #fff;
}

.menu {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 20px;
    height: 20px;
    
}

.large .bar {
    width: 300px;
    height: 4em;
    border-radius: 50%/10em;

    -webkit-animation: pulse 5s infinite;
}

@-webkit-keyframes pulse {
    50% {
        width: 400px;
        height: 400px;
    }
}