The group web page I made for the research group I'm in has a neat design detail. Our group has a presence on various sites, and to link to those, we use those sites' icons. The icons are normally flat and colored the same light blue that we use as a color throughout the design. But when you hover over an icon, it changes color, to be the site's familiar colored logo: Figure 1: Hovering over a social site's icon makes it colorful It took a few hours, but I managed to make this effect work tot...