JSFiddle - React, Tailwind, and code Playground

HTML

<div><img src='http://gimper.net/download/file.php?id=714&t=1' /></div>

CSS

div {
    background: url('http://img268.imageshack.us/img268/8941/trico.jpg');
    background-repeat: no-repeat;
}

JavaScript

$('img').hover(function() {
    $(this).animate({
        opacity: 0
    }, 500);
}, function() {
    $(this).animate({
        opacity: 1
    }, 500);
});