Can the code from imgb.com be used in css,as in the html thumbnail code

Question

I tried using the src attribute as my url in css code but it didn't work

Answer 1

Hope it helps you
https://code.sololearn.com/Wy3lrXNwGsgJ/?ref=app

Answer 2

HTML
<img id="my-img" src="http://dummyimage.com/100x100/000/fff"/>

CSS

#my-img:hover {
content: url('http://dummyimage.com/100x100/eb00eb/fff');
}