Hi
I’ve had a look at your site – it is seriously very nice looking. I see it is in French – are you based there? I ask as I am living there.
Back to your site: I found this article a while ago that you may find useful:
https://www.cssreset.com/how-to-keep-footer-at-bottom-of-page-with-css/
Adapting what is used in the article to your site; I came up with these ideas for the style.css file
html {height:100%;} /* body is already 100% */
#wrapper {
min-height:100%;
position:relative;
}
#content-wrapper {
padding: 36px 0 120px 0;
}
#footer {
padding: 24px 40px 0 40px;
height: 100px;
position: absolute;
bottom: 40px;
left: -26px;
}
#footer-bar {
height: 20px;
position: absolute;
bottom: 0;
left: 20px;
}
Some of the figures may not be perfect and you may need to change the px to some other way of taking the positions such as % or em. This would be to cope with the responsive side of the theme. You’ll have to play around with that.
Don’t forget that any changes made will be over-written and lost if you update the theme. I’m not sure if Corpo has a way of customizing css already but you could try making a child theme and carrying out any cusomization there.
I hope this helps – all the best
Dave Foston