http://thenewcode.com/58/Simple-CSS-Hover-Image-Gallery
In this link, there is the markup for a gallery. If you hover over the thumbnail, the picture appears. If you click the thumbnail, the image will stay (otherwise it disappears). If you click anywhere outside of the thumbnail, the image disappears.
My question, what would have to be done to prevent the image from disappearing if you click somewhere on the page outside of the image/thumbnail? I want the image to stay once you click the thumbnail no matter where you click (unless you click another thumbnail for a new image).
I have very little experience with coding so help would be much appreciated. Also, it is necessary for me to use this exact gallery.
Thank you!