JSFiddle - React, Tailwind, and code Playground

HTML

<div class="contribute_buttons">
    <img src="https://s3.amazonaws.com/static-passenger2/images/shop_and_support.png">
</div>

CSS

.contribute_buttons {
    width: 300px;
    height: 39px;
    float: left;
    background-color: #393839;
    margin-top: 5px;
    margin-bottom: 15px;
}

JavaScript

$(document).ready(function() {
    var colorOrig=$(".contribute_buttons").css('background');
    $(".contribute_buttons").hover(
    function() {
        //mouse over
        $(this).css('background', '#AAEE00')
    }, function() {
        //mouse out
        $(this).css('background', colorOrig)
    });
});