SO - 17606663
by Arun P Johny
HTML
<div class="a">
<img class="2020" src="img/swatch/2020.jpg" />
<img class="2021" src="img/swatch/2021.jpg" />
<img class="2022" src="img/swatch/2022.jpg" />
</div>
JavaScript
$('.a').children('img').filter('.2021').css("padding", "5px");