JSFiddle - React, Tailwind, and code Playground

by witold

HTML

<table>
    <tr>
        <td id="left"><div>A</div></td>
        <td id="right"><div>B</div></td>
    </tr>
</table>

CSS

table {
    width: 100%;
    border-collapse: collapse;
}
td {
    width: 25%;
    border:0;
    padding: 0;
    color: white;
    text-align: center;
    -webkit-transition: width 300ms ease-in-out;
    -moz-transition: width 300ms ease-in-out;
    -ms-transition: width 300ms ease-in-out;
    -o-transition: width 300ms ease-in-out;
    transition: width 300ms ease-in-out;
}
td div {
    width: 40px;
    height: 40px;
    border-radius: 50px;
    background: rgba(255,255,255,.2);
    padding: 20px;
    margin: 100px auto;
    font-family: sans-serif;
    font-size: 40px;
    line-height: 1;
}
td#left {
    background: red;
}
td#right {
    background: blue;
}
td#left:hover {
    width: 75%;
}
td#right:hover {
    width: 75%;
}