Light image hover css library a lovingly crafted css caption imagehover library allowing you to easily implement scaleable image hover effects. Hover effect classes to choose from a css library weighing in at a minified size of only 28kb hover. Each effect uses the same basic markup allowing you to change css3 effect by simply editing the containing class. } caption background color in most cases you can animation change the image caption background color via some inline css added to the figure element like so. Background color transition you can change the background color via some inline css added to the figure element like so