JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div class="main">
        <div class="tab" style="float:right;">Tab 3</div>
        <div class="tab" style="float:right;">Tab 2</div>
        <div class="tab active" style="float:right;">Tab 1</div>
    </div>
</body>

CSS

.main{
    width:325px;
}
div.tab {
    background: white;
    width: 100px;
    border: 1px solid grey;
    padding-left:5px;
}
div.tab.active {
    background: blue;
}
div.tab:hover {
    background: aqua;
}
.blue {background: blue;}

JavaScript

$('.tab').click(function() {
    $(this).addClass('active').siblings().removeClass('active');
})