super-mouse
Hi
Its defined in template.css via css code
you can replace the original image with same name here
/templates/gk_blend/images/decor/decor-1.png
This is the code if you want to override it
#gkTop2:before {
content: "";
background: transparent url(/joomla3/blend/templates/gk_blend/images/decor/decor-1.png) no-repeat scroll left center/contain;
position: absolute;
left: 0;
top: 0;
height: 7.8rem;
width: 18.4rem;
}