JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/themes/cupertino/jquery-ui.css">
    <div id="tabs">
    <ul>
        <li><a href="monday.php">Monday</a></li>
        <li><a href="tuesday.php">Tuesday</a></li>
        <li><a href="wednesday.php">Wednesday</a></li>
        <li><a href="thursday.php">Thursday</a></li>
        <li><a href="friday.php">Friday</a></li>
        <li><a href="saturday.php">Saturday</a></li>
        <li><a href="sunday.php">Sunday</a></li>
    </ul>
    </div>

CSS

body { font-size:12px };

JavaScript

$('#tabs').tabs();

$('#tabs').tabs('select', ((new Date().getDay() || 7) - 1));

$('#tabs .ui-state-active a').text('Today');