JSFiddle - React, Tailwind, and code Playground
HTML
<table><tr><td>aaaa</td><td>bbb</td><td>bbb</td></tr><tr><td>aaaa</td><td>bbb</td><td>bbb</td></tr><tr><td>aaaa</td><td>bbb</td><td>bbb</td></tr></table>
CSS
table{border-collapse:separate;}
td { padding: 10px; border: solid 5px white; background: blue; }
JavaScript
$('td').live('mouseover', function () {
$(this).stop().fadeTo('slow', 0.7);
});
$('td').live('mouseout', function () {
$(this).stop().fadeTo('fast', 1.0);
});