CSS change background on image background mouse hover

Question

In my php page dynamically visualize the thumbnails. To make sure that these are all of the same size I do in this way

<a class="zoom" href="...">
<img src="thumb/default.png" width="130" style="background-image:url(thumb/<?php echo $images_jpg;?>);" class="centered" />
</a>

CSS

img.centered {
background-repeat: no-repeat;
background-position: center center;
}

/* 1 attempt */
a.zoom:hover {
background-image: url(thumb/zoom.jpg);
}

/* 2 attempt */
a.zoom img:hover {
background-image: url(thumb/zoom.jpg);
}

I would like to display a different image on event: hover, but this does not work. How could I do that? thanks

is it like if you hover on image, u shud see the image present in the background???? — Green Wizard
– Green Wizard, Commented Feb 4, 2014 at 11:04

Ruddy · Accepted Answer · 2014-02-04 11:39:26Z

1

You could always do it like this.

HTML:

<div class="image" style="background-image:url(http://www.randomwebsite.com/images/head.jpg);">
    <div class="overlay"></div>
</div>

CSS:

.image {
    width: 200px;
    height: 200px;
    border: 1px solid;
}
.overlay {
    width: 100%;
    height: 100%;
}
.overlay:hover {
    background: url(http://1.bp.blogspot.com/-lJWLTzn8Zgw/T_D4aeKvD9I/AAAAAAAACnM/SnupcVnAsNk/s1600/Random-wallpapers-random-5549791-1280-800.jpg);
}

So here we have the image you are getting via PHP on top as a div. And inside we have the overlay, the image you want when a user is hovering. So we set that to 100% width and height so it takes up all of the parent div and set the hover.

DEMO HERE

edited Feb 4, 2014 at 11:39

answered Feb 4, 2014 at 11:30

Ruddy

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Comments

Nico O · Accepted Answer · 2014-02-04 11:13:57Z

1

In your example the <img> always lays over the <a> background-image. To avoid that, you could hide the image on hover. But that is kinda ugly ;)

a.zoom:hover {
    background-image: url(thumb/zoom.jpg);
}

a.zoom:hover img
{
   opacitiy: 0;
}

answered Feb 4, 2014 at 11:13

Nico O

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4 Comments

Paolo Rossi Over a year ago

This seemed like a good solution, but unfortunately it does not work

Nico O Over a year ago

I can only guess what your problem is. But i think your problem is, that you do not only have one, but multiple zoom images, that you want to change on hover. Since the URL for the zoom-pictures are generated automatically, you should go for a javascript solution. Is that correct?

Paolo Rossi Over a year ago

in part is correct. I visualize the images taking their names from a db. The images are different sizes and to display the same size I use (style: background.url...) generated dynamically. I just want to show an image/overflow (always the same - "zoom the image") on the thumb mouse over

Ruddy Over a year ago

@PaoloRossi Check my answer out.

Atal Shrivastava · Accepted Answer · 2014-02-04 11:14:55Z

0

try this

<img class="centered" src="thumb/default.png"/>

and jquery

$(".centered").attr("src","second.jpg");

answered Feb 4, 2014 at 11:14

Atal Shrivastava

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