Alex Alex - 1 year ago 67
CSS Question

Why does a different image source with CSS transition not work when hovered?

I have an

tag that I want to change the image source to another image source when I hover over it, while having the transition effect on the image as well. The transition works with a
property for a
tag, but not with the
property for an

So far this is what I have:

.topLogo {
height: 64px;
content: url(image1.png);
transition: 0.2s;
.topLogo:hover {
height: 64px;
content: url(image2.png);

Answer Source

I believe content: is for the content between tags. It wouldn't work for <img> beause there's no closing </img>.

There's no way to alter HTML attributes with CSS. You could use javascript/jquery. I have a feeling you don't want to though.

Since you're already using CSS to set the URL, why not use a blank <span> or <div> instead of an <img>?

<span class="topLogo"></span>

    .topLogo:before {
        height: 64px;
        content: url('image1.png');
        transition: 0.2s;
    .topLogo:before:hover {
        height: 64px;
        content: url('image2.png');
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