JSFiddle - React, Tailwind, and code Playground

HTML

<p><a><img class="size-full wp-image-1236 alignleft" alt="phone-icon-red" src="http://asksomeone.co.za/ik/wp-content/uploads/2013/04/phone.png" width="50" height="50" /></a></p>
<h3>Contact Us</h3>

CSS

img:hover, img.hover{
    
    margin-left: 10px;
}

JavaScript

$('h3').on({
    'mouseover': function() {
        $(this).prev('p').find('img').addClass('hover');
    },
    'mouseout': function() {
        $(this).prev('p').find('img').removeClass('hover');
    }
});